Subtract 9/10 from 1/2
12 - 910 is -25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
12 = 1 × 52 × 5 = 510 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
910 = 9 × 110 × 1 = 910 - Subtract the two like fractions:
510 - 910 = 5 - 910 = -410 - After reducing the fraction, the answer is -25
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