Subtract 80/20 from 75/10
1st number: 7 5/10, 2nd number: 4 0/20
75/10 - 80/20 is 7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
75/10 = 75 × 2/10 × 2 = 150/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
80/20 = 80 × 1/20 × 1 = 80/20 - Subtract the two like fractions:
150/20 - 80/20 = 150 - 80/20 = 70/20 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
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