Compare 21/63 and 2/4
21/63 is smaller than 2/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
2/4 = 2 × 63/4 × 63 = 126/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/252 < 126/252 or 21/63 < 2/4
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