Compare 21/2 and 18/56
1st number: 10 1/2, 2nd number: 18/56
21/2 is greater than 18/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
21/2 = 21 × 28/2 × 28 = 588/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
18/56 = 18 × 1/56 × 1 = 18/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/56 > 18/56 or 21/2 > 18/56
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