Compare 15/20 and 9/10
15/20 is smaller than 9/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
9/10 = 9 × 2/10 × 2 = 18/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/20 < 18/20 or 15/20 < 9/10
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