Compare 21/63 and 6/7
21/63 is smaller than 6/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 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 7 × 9 = 63,
6/7 = 6 × 9/7 × 9 = 54/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/63 < 54/63 or 21/63 < 6/7
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