Compare 80/72 and 75/40
1st number: 1 8/72, 2nd number: 1 35/40
80/72 is smaller than 75/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
80/72 = 80 × 5/72 × 5 = 400/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
75/40 = 75 × 9/40 × 9 = 675/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 400/360 < 675/360 or 80/72 < 75/40
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