Compare 15/36 and 21/12
1st number: 15/36, 2nd number: 1 9/12
15/36 is smaller than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
15/36 = 15 × 1/36 × 1 = 15/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/36 < 63/36 or 15/36 < 21/12
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