Compare 40/63 and 3/12
40/63 is greater than 3/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
3/12 = 3 × 21/12 × 21 = 63/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 160/252 > 63/252 or 40/63 > 3/12
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