Compare 15/90 and 72/9
1st number: 15/90, 2nd number: 8 0/9
15/90 is smaller than 72/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
72/9 = 72 × 10/9 × 10 = 720/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/90 < 720/90 or 15/90 < 72/9
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