Compare 21/10 and 64/40
1st number: 2 1/10, 2nd number: 1 24/40
21/10 is greater than 64/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
21/10 = 21 × 4/10 × 4 = 84/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
64/40 = 64 × 1/40 × 1 = 64/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/40 > 64/40 or 21/10 > 64/40
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