Subtract 80/25 from 10/20
1st number: 10/20, 2nd number: 3 5/25
10/20 - 80/25 is -27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
80/25 = 80 × 4/25 × 4 = 320/100 - Subtract the two like fractions:
50/100 - 320/100 = 50 - 320/100 = -270/100 - After reducing the fraction, the answer is -27/10
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