Compare 15/42 and 1/72
15/42 is greater than 1/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
15/42 = 15 × 12/42 × 12 = 180/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/504 > 7/504 or 15/42 > 1/72
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