Subtract 9/10 from 1/5
15 - 910 is -710.
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,
15 = 1 × 25 × 2 = 210 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
910 = 9 × 110 × 1 = 910 - Subtract the two like fractions:
210 - 910 = 2 - 910 = -710
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