Compare 90/80 and 81/75
1st number: 1 10/80, 2nd number: 1 6/75
90/80 is greater than 81/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 80 × 15 = 1200,
90/80 = 90 × 15/80 × 15 = 1350/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
81/75 = 81 × 16/75 × 16 = 1296/1200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1350/1200 > 1296/1200 or 90/80 > 81/75
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