Compare 21/63 and 6/9
21/63 is smaller than 6/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
21/63 = 21 × 1/63 × 1 = 21/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
6/9 = 6 × 7/9 × 7 = 42/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/63 < 42/63 or 21/63 < 6/9
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