Compare 15/72 and 84/80
1st number: 15/72, 2nd number: 1 4/80
15/72 is smaller than 84/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
15/72 = 15 × 10/72 × 10 = 150/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/720 < 756/720 or 15/72 < 84/80
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