Compare 21/7 and 28/54
1st number: 3 0/7, 2nd number: 28/54
21/7 is greater than 28/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
21/7 = 21 × 54/7 × 54 = 1134/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1134/378 > 196/378 or 21/7 > 28/54
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