Compare 21/8 and 54/9
1st number: 2 5/8, 2nd number: 6 0/9
21/8 is smaller than 54/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
21/8 = 21 × 9/8 × 9 = 189/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
54/9 = 54 × 8/9 × 8 = 432/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/72 < 432/72 or 21/8 < 54/9
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