Compare 81/30 and 7/5
1st number: 2 21/30, 2nd number: 1 2/5
81/30 is greater than 7/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
7/5 = 7 × 6/5 × 6 = 42/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/30 > 42/30 or 81/30 > 7/5
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