Compare 30/32 and 16/21
30/32 is greater than 16/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
16/21 = 16 × 32/21 × 32 = 512/672 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/672 > 512/672 or 30/32 > 16/21
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