Compare 72/40 and 45/90
1st number: 1 32/40, 2nd number: 45/90
72/40 is greater than 45/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
45/90 = 45 × 4/90 × 4 = 180/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/360 > 180/360 or 72/40 > 45/90
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