Compare 8/20 and 81/63
1st number: 8/20, 2nd number: 1 18/63
8/20 is smaller than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
8/20 = 8 × 63/20 × 63 = 504/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
81/63 = 81 × 20/63 × 20 = 1620/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 504/1260 < 1620/1260 or 8/20 < 81/63
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