Compare 90/8 and 80/7
1st number: 11 2/8, 2nd number: 11 3/7
90/8 is smaller than 80/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
90/8 = 90 × 7/8 × 7 = 630/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
80/7 = 80 × 8/7 × 8 = 640/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/56 < 640/56 or 90/8 < 80/7
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