Compare 40/60 and 12/42
40/60 is greater than 12/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
12/42 = 12 × 10/42 × 10 = 120/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/420 > 120/420 or 40/60 > 12/42
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