Compare 1/28 and 21/63
1/28 is smaller than 21/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
1/28 = 1 × 9/28 × 9 = 9/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 9/252 < 84/252 or 1/28 < 21/63
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