Compare 8/16 and 21/15
1st number: 8/16, 2nd number: 1 6/15
8/16 is smaller than 21/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
8/16 = 8 × 15/16 × 15 = 120/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
21/15 = 21 × 16/15 × 16 = 336/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/240 < 336/240 or 8/16 < 21/15
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