Subtract 20/25 from 3/10
3/10 - 20/25 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
3/10 = 3 × 5/10 × 5 = 15/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
20/25 = 20 × 2/25 × 2 = 40/50 - Subtract the two like fractions:
15/50 - 40/50 = 15 - 40/50 = -25/50 - After reducing the fraction, the answer is -1/2
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