Subtract 14/80 from 12/70
12/70 - 14/80 is -1/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
12/70 = 12 × 8/70 × 8 = 96/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
14/80 = 14 × 7/80 × 7 = 98/560 - Subtract the two like fractions:
96/560 - 98/560 = 96 - 98/560 = -2/560 - After reducing the fraction, the answer is -1/280
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