Compare 20/15 and 90/14
1st number: 1 5/15, 2nd number: 6 6/14
20/15 is smaller than 90/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
20/15 = 20 × 14/15 × 14 = 280/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
90/14 = 90 × 15/14 × 15 = 1350/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/210 < 1350/210 or 20/15 < 90/14
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