Subtract 80/10 from 10/90
1st number: 10/90, 2nd number: 8 0/10
10/90 - 80/10 is -71/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Subtract the two like fractions:
10/90 - 720/90 = 10 - 720/90 = -710/90 - After reducing the fraction, the answer is -71/9
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