Compare 42/30 and 15/90
1st number: 1 12/30, 2nd number: 15/90
42/30 is greater than 15/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/90 > 15/90 or 42/30 > 15/90
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