Subtract 84/80 from 6/7
1st number: 6/7, 2nd number: 1 4/80
6/7 - 84/80 is -27/140.
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,
6/7 = 6 × 80/7 × 80 = 480/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560 - Subtract the two like fractions:
480/560 - 588/560 = 480 - 588/560 = -108/560 - After reducing the fraction, the answer is -27/140
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