Subtract 18/20 from 56/75
56/75 - 18/20 is -23/150.
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,
56/75 = 56 × 4/75 × 4 = 224/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
18/20 = 18 × 15/20 × 15 = 270/300 - Subtract the two like fractions:
224/300 - 270/300 = 224 - 270/300 = -46/300 - After reducing the fraction, the answer is -23/150
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