Compare 42/28 and 81/10
1st number: 1 14/28, 2nd number: 8 1/10
42/28 is smaller than 81/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
42/28 = 42 × 5/28 × 5 = 210/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
81/10 = 81 × 14/10 × 14 = 1134/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/140 < 1134/140 or 42/28 < 81/10
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