Compare 9/72 and 8/45
9/72 is smaller than 8/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
8/45 = 8 × 8/45 × 8 = 64/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/360 < 64/360 or 9/72 < 8/45
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