Compare 42/80 and 8/9
4280 is smaller than 89
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,
4280 = 42 × 980 × 9 = 378720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
89 = 8 × 809 × 80 = 640720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378720 < 640720 or 4280 < 89
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