Subtract 84/8 from 14/7
1st number: 2 0/7, 2nd number: 10 4/8
14/7 - 84/8 is -17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
14/7 = 14 × 8/7 × 8 = 112/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
84/8 = 84 × 7/8 × 7 = 588/56 - Subtract the two like fractions:
112/56 - 588/56 = 112 - 588/56 = -476/56 - After reducing the fraction, the answer is -17/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7-84/8 14/7-84/16 42/7-84/8 14/21-84/8 14/7-84/24 70/7-84/8 14/35-84/8 14/7-84/40 98/7-84/8 14/49-84/8 14/7-84/56