Compare 90/15 and 72/8
1st number: 6 0/15, 2nd number: 9 0/8
90/15 is smaller than 72/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
90/15 = 90 × 8/15 × 8 = 720/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/120 < 1080/120 or 90/15 < 72/8
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