Subtract 28/20 from 40/75
1st number: 40/75, 2nd number: 1 8/20
40/75 - 28/20 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
40/75 = 40 × 4/75 × 4 = 160/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
28/20 = 28 × 15/20 × 15 = 420/300 - Subtract the two like fractions:
160/300 - 420/300 = 160 - 420/300 = -260/300 - After reducing the fraction, the answer is -13/15
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