Subtract 15/75 from 3/20
3/20 - 15/75 is -1/20.
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,
3/20 = 3 × 15/20 × 15 = 45/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Subtract the two like fractions:
45/300 - 60/300 = 45 - 60/300 = -15/300 - After reducing the fraction, the answer is -1/20
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