Compare 12/24 and 3/42
12/24 is greater than 3/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/168 > 12/168 or 12/24 > 3/42
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