Compare 81/6 and 21/7
1st number: 13 3/6, 2nd number: 3 0/7
81/6 is greater than 21/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
81/6 = 81 × 7/6 × 7 = 567/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
21/7 = 21 × 6/7 × 6 = 126/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/42 > 126/42 or 81/6 > 21/7
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