Subtract 72/20 from 40/3
1st number: 13 1/3, 2nd number: 3 12/20
40/3 - 72/20 is 146/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
40/3 = 40 × 20/3 × 20 = 800/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Subtract the two like fractions:
800/60 - 216/60 = 800 - 216/60 = 584/60 - After reducing the fraction, the answer is 146/15
- In mixed form: 911/15
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