Compare 84/56 and 28/21
1st number: 1 28/56, 2nd number: 1 7/21
84/56 is greater than 28/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
28/21 = 28 × 8/21 × 8 = 224/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/168 > 224/168 or 84/56 > 28/21
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