Compare 10/90 and 50/80
10/90 is smaller than 50/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
50/80 = 50 × 9/80 × 9 = 450/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/720 < 450/720 or 10/90 < 50/80
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