Compare 40/12 and 72/63
1st number: 3 4/12, 2nd number: 1 9/63
40/12 is greater than 72/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
40/12 = 40 × 21/12 × 21 = 840/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/252 > 288/252 or 40/12 > 72/63
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