Compare 35/72 and 3/21
35/72 is greater than 3/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
35/72 = 35 × 7/72 × 7 = 245/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
3/21 = 3 × 24/21 × 24 = 72/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 245/504 > 72/504 or 35/72 > 3/21
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