Subtract 9/12 from 7/10
7/10 - 9/12 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
7/10 = 7 × 6/10 × 6 = 42/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Subtract the two like fractions:
42/60 - 45/60 = 42 - 45/60 = -3/60 - After reducing the fraction, the answer is -1/20
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