Subtract 72/80 from 40/18
1st number: 2 4/18, 2nd number: 72/80
40/18 - 72/80 is 119/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
40/18 = 40 × 40/18 × 40 = 1600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720 - Subtract the two like fractions:
1600/720 - 648/720 = 1600 - 648/720 = 952/720 - After reducing the fraction, the answer is 119/90
- In mixed form: 129/90
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