Subtract 20/75 from 5/20
5/20 - 20/75 is -1/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
5/20 = 5 × 15/20 × 15 = 75/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Subtract the two like fractions:
75/300 - 80/300 = 75 - 80/300 = -5/300 - After reducing the fraction, the answer is -1/60
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