Compare 81/10 and 90/5
1st number: 8 1/10, 2nd number: 18 0/5
81/10 is smaller than 90/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
81/10 = 81 × 1/10 × 1 = 81/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
90/5 = 90 × 2/5 × 2 = 180/10 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/10 < 180/10 or 81/10 < 90/5
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