Compare 90/80 and 72/9
1st number: 1 10/80, 2nd number: 8 0/9
90/80 is smaller than 72/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
72/9 = 72 × 80/9 × 80 = 5760/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/720 < 5760/720 or 90/80 < 72/9
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