Subtract 49/70 from 7/12
7/12 - 49/70 is -7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
7/12 = 7 × 35/12 × 35 = 245/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
49/70 = 49 × 6/70 × 6 = 294/420 - Subtract the two like fractions:
245/420 - 294/420 = 245 - 294/420 = -49/420 - After reducing the fraction, the answer is -7/60
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