Compare 18/10 and 90/15
1st number: 1 8/10, 2nd number: 6 0/15
18/10 is smaller than 90/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
90/15 = 90 × 2/15 × 2 = 180/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/30 < 180/30 or 18/10 < 90/15
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