Subtract 70/80 from 4/56
4/56 - 70/80 is -45/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
4/56 = 4 × 10/56 × 10 = 40/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
70/80 = 70 × 7/80 × 7 = 490/560 - Subtract the two like fractions:
40/560 - 490/560 = 40 - 490/560 = -450/560 - After reducing the fraction, the answer is -45/56
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