Subtract 84/8 from 75/7
1st number: 10 5/7, 2nd number: 10 4/8
75/7 - 84/8 is 3/14.
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,
75/7 = 75 × 8/7 × 8 = 600/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
84/8 = 84 × 7/8 × 7 = 588/56 - Subtract the two like fractions:
600/56 - 588/56 = 600 - 588/56 = 12/56 - After reducing the fraction, the answer is 3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/14-84/8 75/7-84/16 75/21-84/8 75/7-84/24 75/35-84/8 75/7-84/40 75/49-84/8 75/7-84/56