Compare 21/18 and 5/64
1st number: 1 3/18, 2nd number: 5/64
21/18 is greater than 5/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
21/18 = 21 × 32/18 × 32 = 672/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
5/64 = 5 × 9/64 × 9 = 45/576 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 672/576 > 45/576 or 21/18 > 5/64
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