Subtract 10/8 from 84/7
1st number: 12 0/7, 2nd number: 1 2/8
84/7 - 10/8 is 43/4.
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,
84/7 = 84 × 8/7 × 8 = 672/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
10/8 = 10 × 7/8 × 7 = 70/56 - Subtract the two like fractions:
672/56 - 70/56 = 672 - 70/56 = 602/56 - After reducing the fraction, the answer is 43/4
- In mixed form: 103/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-20/8 84/14-10/8 84/7-10/16 84/7-30/8 84/21-10/8 84/7-10/24 84/7-50/8 84/35-10/8 84/7-10/40 84/7-70/8 84/49-10/8 84/7-10/56