Compare 42/30 and 12/8
1st number: 1 12/30, 2nd number: 1 4/8
42/30 is smaller than 12/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
12/8 = 12 × 15/8 × 15 = 180/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/120 < 180/120 or 42/30 < 12/8
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