Subtract 15/25 from 12/70
12/70 - 15/25 is -3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
12/70 = 12 × 5/70 × 5 = 60/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
15/25 = 15 × 14/25 × 14 = 210/350 - Subtract the two like fractions:
60/350 - 210/350 = 60 - 210/350 = -150/350 - After reducing the fraction, the answer is -3/7
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