Compare 81/32 and 21/70
1st number: 2 17/32, 2nd number: 21/70
81/32 is greater than 21/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
81/32 = 81 × 35/32 × 35 = 2835/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
21/70 = 21 × 16/70 × 16 = 336/1120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2835/1120 > 336/1120 or 81/32 > 21/70
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