Compare 7/54 and 21/8
1st number: 7/54, 2nd number: 2 5/8
7/54 is smaller than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
7/54 = 7 × 4/54 × 4 = 28/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/216 < 567/216 or 7/54 < 21/8
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