Compare 21/4 and 56/8
1st number: 5 1/4, 2nd number: 7 0/8
21/4 is smaller than 56/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
21/4 = 21 × 2/4 × 2 = 42/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
56/8 = 56 × 1/8 × 1 = 56/8 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/8 < 56/8 or 21/4 < 56/8
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