Subtract 12/16 from 25/40
25/40 - 12/16 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
25/40 = 25 × 2/40 × 2 = 50/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
12/16 = 12 × 5/16 × 5 = 60/80 - Subtract the two like fractions:
50/80 - 60/80 = 50 - 60/80 = -10/80 - After reducing the fraction, the answer is -1/8
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