Compare 4/35 and 21/72
4/35 is smaller than 21/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
4/35 = 4 × 72/35 × 72 = 288/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
21/72 = 21 × 35/72 × 35 = 735/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 288/2520 < 735/2520 or 4/35 < 21/72
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