Compare 42/30 and 90/12
1st number: 1 12/30, 2nd number: 7 6/12
42/30 is smaller than 90/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
42/30 = 42 × 2/30 × 2 = 84/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/60 < 450/60 or 42/30 < 90/12
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