Compare 90/49 and 21/72
1st number: 1 41/49, 2nd number: 21/72
90/49 is greater than 21/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
90/49 = 90 × 72/49 × 72 = 6480/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
21/72 = 21 × 49/72 × 49 = 1029/3528 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6480/3528 > 1029/3528 or 90/49 > 21/72
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