Subtract 70/80 from 2/7
2/7 - 70/80 is -33/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
2/7 = 2 × 80/7 × 80 = 160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
70/80 = 70 × 7/80 × 7 = 490/560 - Subtract the two like fractions:
160/560 - 490/560 = 160 - 490/560 = -330/560 - After reducing the fraction, the answer is -33/56
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