Subtract 40/20 from 80/75
1st number: 1 5/75, 2nd number: 2 0/20
80/75 - 40/20 is -14/15.
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,
80/75 = 80 × 4/75 × 4 = 320/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
40/20 = 40 × 15/20 × 15 = 600/300 - Subtract the two like fractions:
320/300 - 600/300 = 320 - 600/300 = -280/300 - After reducing the fraction, the answer is -14/15
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