Compare 81/27 and 20/63
1st number: 3 0/27, 2nd number: 20/63
81/27 is greater than 20/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
81/27 = 81 × 7/27 × 7 = 567/189 - Likewise, for the 2nd fraction, since 63 × 3 = 189,
20/63 = 20 × 3/63 × 3 = 60/189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/189 > 60/189 or 81/27 > 20/63
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