Subtract 70/80 from 12/25
12/25 - 70/80 is -79/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
12/25 = 12 × 16/25 × 16 = 192/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
70/80 = 70 × 5/80 × 5 = 350/400 - Subtract the two like fractions:
192/400 - 350/400 = 192 - 350/400 = -158/400 - After reducing the fraction, the answer is -79/200
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