Compare 12/5 and 21/63
1st number: 2 2/5, 2nd number: 21/63
12/5 is greater than 21/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
12/5 = 12 × 63/5 × 63 = 756/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/315 > 105/315 or 12/5 > 21/63
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