Compare 84/56 and 21/7
1st number: 1 28/56, 2nd number: 3 0/7
84/56 is smaller than 21/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
84/56 = 84 × 1/56 × 1 = 84/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
21/7 = 21 × 8/7 × 8 = 168/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/56 < 168/56 or 84/56 < 21/7
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