Subtract 63/70 from 12/25
12/25 - 63/70 is -21/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
12/25 = 12 × 14/25 × 14 = 168/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
63/70 = 63 × 5/70 × 5 = 315/350 - Subtract the two like fractions:
168/350 - 315/350 = 168 - 315/350 = -147/350 - After reducing the fraction, the answer is -21/50
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