Compare 75/21 and 21/14
1st number: 3 12/21, 2nd number: 1 7/14
75/21 is greater than 21/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
75/21 = 75 × 2/21 × 2 = 150/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/42 > 63/42 or 75/21 > 21/14
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