Compare 8/90 and 8/72
8/90 is smaller than 8/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 32/360 < 40/360 or 8/90 < 8/72
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