4th Grade Comparing Fractions Worksheet Solutions (PDF)

Grade 4 · Common Core State Standards: 4.NF.A.2
Exercise 1 – Same denominator
The denominators are the same, so compare the numerators: 3 is less than 5.
Answer: \(\frac{3}{8} < \frac{5}{8}\).
Exercise 2 – Tenths
Same denominator. 7 is greater than 4.
Answer: \(\frac{7}{10} > \frac{4}{10}\).
Exercise 3 – Same numerator
The numerators are the same. Thirds are bigger pieces than fifths, so 2 thirds is more than 2 fifths.
Answer: \(\frac{2}{3} > \frac{2}{5}\).
Exercise 4 – Unit fractions
Both have 1 piece. Fourths are bigger than sixths.
Answer: \(\frac{1}{4} > \frac{1}{6}\).
Exercise 5 – Fourths and eighths
Same numerator. Fourths are bigger than eighths.
Answer: \(\frac{3}{4} > \frac{3}{8}\).
Exercise 6 – Benchmark showdown
Half of 10 is 5, and 4 is less than 5, so \(\frac{4}{10} < \frac{1}{2}\).
Half of 8 is 4, and 5 is more than 4, so \(\frac{5}{8} > \frac{1}{2}\).
Answer: \(\frac{5}{8} > \frac{4}{10}\).
Exercise 7 – Twelfths
Use 12: \(\frac{2}{3} = \frac{8}{12}\) and \(\frac{3}{4} = \frac{9}{12}\).
Answer: \(\frac{2}{3} < \frac{3}{4}\).
Exercise 8 – Sixths and fourths
Use 12: \(\frac{5}{6} = \frac{10}{12}\) and \(\frac{3}{4} = \frac{9}{12}\).
Answer: \(\frac{5}{6} > \frac{3}{4}\).
Exercise 9 – Fifths and tenths
Use tenths: \(\frac{2}{5} = \frac{4}{10}\).
4 tenths is more than 3 tenths.
Answer: \(\frac{2}{5} > \frac{3}{10}\).
Exercise 10 – Compare to one half
(a) Half of 8 is 4, and 3 is less than 4: less than \(\frac{1}{2}\).
(b) Half of 6 is 3, and 4 is more than 3: greater.
(c) Half of 10 is 5: equal.
(d) Half of 5 is 2.5, and 2 is less: less.
Answer: (a) \(\frac{3}{8} < \frac{1}{2}\) (b) \(\frac{4}{6} > \frac{1}{2}\) (c) \(\frac{5}{10} = \frac{1}{2}\) (d) \(\frac{2}{5} < \frac{1}{2}\).
Exercise 11 – Number line dots
\(\frac{3}{4}\) = \(\frac{6}{8}\). The dot for 6 eighths is to the right of 5 eighths.
Answer: \(\frac{5}{8} < \frac{3}{4}\).
Exercise 12 – Order eighths
The denominators are the same. Order the numerators: 1, 2, 4, 6.
Answer: \(\frac{1}{8}, \frac{2}{8}, \frac{4}{8}, \frac{6}{8}\).
Exercise 13 – Order twelfths
Use 12: \(\frac{2}{3}\) = \(\frac{8}{12}\), \(\frac{5}{6}\) = \(\frac{10}{12}\), \(\frac{1}{2}\) = \(\frac{6}{12}\).
The numerators are 8, 10, 6 and 7. Order: 6, 7, 8, 10.
Answer: \(\frac{1}{2}, \frac{7}{12}, \frac{2}{3}, \frac{5}{6}\).
Exercise 14 – Fifths and twelfths
Use 60: \(5 \times 12 = 60\) and \(12 \times 5 = 60\).
\(\frac{3}{5} = \frac{36}{60}\) and \(\frac{7}{12} = \frac{35}{60}\).
Answer: \(\frac{3}{5} > \frac{7}{12}\).
Exercise 15 – Running a mile
\(\frac{3}{4}\) = \(\frac{6}{8}\). Compare \(\frac{6}{8}\) and \(\frac{5}{8}\): 6 is more than 5.
Answer: Maya ran farther.
Exercise 16 – Water bottles
Use 40: \(\frac{3}{5} = \frac{24}{40}\) and \(\frac{5}{8} = \frac{25}{40}\).
Answer: Diego has more water.
Exercise 17 – Fruit stand
Use eighths: \(\frac{1}{2}\) = \(\frac{4}{8}\). The numerators are 4 (apples), 3 (pears) and 5 (peaches).
Answer: pears (\(\frac{3}{8}\)), apples (\(\frac{1}{2}\)), peaches (\(\frac{5}{8}\)).
Exercise 18 – Three runners
Use 12: 8, 9 and 10 twelfths.
Answer: \(\frac{2}{3} < \frac{3}{4} < \frac{5}{6}\).
Exercise 19 – Mei's claim
When the numerators are the same, a bigger denominator means smaller pieces. Eighths are smaller than fourths.
Answer: No. \(\frac{1}{8} < \frac{1}{4}\).
Exercise 20 – Sofia's money
(a) \(\frac{2}{5}\) = \(\frac{4}{10}\), and 4 tenths is more than 3 tenths, so lunch cost more.
(b) Together: \(\frac{3}{10} + \frac{4}{10} = \frac{7}{10}\). Half is \(\frac{5}{10}\), and 7 is more than 5.
Answer: (a) lunch (b) more than half.
All Grade 4 chapters: Grade 4 math.
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