Compare 42/9 and 56/21
1st number: 4 6/9, 2nd number: 2 14/21
42/9 is greater than 56/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
42/9 = 42 × 7/9 × 7 = 294/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
56/21 = 56 × 3/21 × 3 = 168/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/63 > 168/63 or 42/9 > 56/21
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