Subtract 20/75 from 10/50
10/50 - 20/75 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
10/50 = 10 × 3/50 × 3 = 30/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Subtract the two like fractions:
30/150 - 40/150 = 30 - 40/150 = -10/150 - After reducing the fraction, the answer is -1/15
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