Subtract 50/75 from 9/20
9/20 - 50/75 is -13/60.
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,
9/20 = 9 × 15/20 × 15 = 135/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
50/75 = 50 × 4/75 × 4 = 200/300 - Subtract the two like fractions:
135/300 - 200/300 = 135 - 200/300 = -65/300 - After reducing the fraction, the answer is -13/60
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