Compare 90/27 and 20/7
1st number: 3 9/27, 2nd number: 2 6/7
90/27 is greater than 20/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
20/7 = 20 × 27/7 × 27 = 540/189 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/189 > 540/189 or 90/27 > 20/7
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