Subtract 20/75 from 5/10
5/10 - 20/75 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
5/10 = 5 × 15/10 × 15 = 75/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Subtract the two like fractions:
75/150 - 40/150 = 75 - 40/150 = 35/150 - After reducing the fraction, the answer is 7/30
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