Compare 18/56 and 21/6
1st number: 18/56, 2nd number: 3 3/6
18/56 is smaller than 21/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 6 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Likewise, for the 2nd fraction, since 6 × 28 = 168,
21/6 = 21 × 28/6 × 28 = 588/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/168 < 588/168 or 18/56 < 21/6
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