Compare 81/42 and 7/5
1st number: 1 39/42, 2nd number: 1 2/5
81/42 is greater than 7/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
81/42 = 81 × 5/42 × 5 = 405/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/210 > 294/210 or 81/42 > 7/5
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