Subtract 20/25 from 1/2
1/2 - 20/25 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
1/2 = 1 × 25/2 × 25 = 25/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
20/25 = 20 × 2/25 × 2 = 40/50 - Subtract the two like fractions:
25/50 - 40/50 = 25 - 40/50 = -15/50 - After reducing the fraction, the answer is -3/10
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