Compare 25/90 and 70/72
25/90 is smaller than 70/72
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,
25/90 = 25 × 4/90 × 4 = 100/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 100/360 < 350/360 or 25/90 < 70/72
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