Compare 42/25 and 81/30
1st number: 1 17/25, 2nd number: 2 21/30
42/25 is smaller than 81/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
42/25 = 42 × 6/25 × 6 = 252/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
81/30 = 81 × 5/30 × 5 = 405/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/150 < 405/150 or 42/25 < 81/30
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