Compare 81/7 and 21/36
1st number: 11 4/7, 2nd number: 21/36
81/7 is greater than 21/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
81/7 = 81 × 36/7 × 36 = 2916/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2916/252 > 147/252 or 81/7 > 21/36
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