Compare 15/21 and 28/14
1st number: 15/21, 2nd number: 2 0/14
15/21 is smaller than 28/14
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,
15/21 = 15 × 2/21 × 2 = 30/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
28/14 = 28 × 3/14 × 3 = 84/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/42 < 84/42 or 15/21 < 28/14
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