Subtract 20/10 from 9/5
1st number: 1 4/5, 2nd number: 2 0/10
9/5 - 20/10 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
9/5 = 9 × 2/5 × 2 = 18/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
20/10 = 20 × 1/10 × 1 = 20/10 - Subtract the two like fractions:
18/10 - 20/10 = 18 - 20/10 = -2/10 - After reducing the fraction, the answer is -1/5
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