Subtract 18/72 from 40/3
1st number: 13 1/3, 2nd number: 18/72
40/3 - 18/72 is 157/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
40/3 = 40 × 24/3 × 24 = 960/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Subtract the two like fractions:
960/72 - 18/72 = 960 - 18/72 = 942/72 - After reducing the fraction, the answer is 157/12
- In mixed form: 131/12
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