Compare 15/72 and 30/50
15/72 is smaller than 30/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
15/72 = 15 × 25/72 × 25 = 375/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
30/50 = 30 × 36/50 × 36 = 1080/1800 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 375/1800 < 1080/1800 or 15/72 < 30/50
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