Compare 10/72 and 12/15
10/72 is smaller than 12/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
12/15 = 12 × 24/15 × 24 = 288/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/360 < 288/360 or 10/72 < 12/15
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