Compare 70/72 and 21/35
70/72 is greater than 21/35
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
70/72 = 70 × 35/72 × 35 = 2450/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
21/35 = 21 × 72/35 × 72 = 1512/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2450/2520 > 1512/2520 or 70/72 > 21/35
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