Compare 12/72 and 56/90
12/72 is smaller than 56/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
56/90 = 56 × 4/90 × 4 = 224/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/360 < 224/360 or 12/72 < 56/90
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