Subtract 8/16 from 84/7
1st number: 12 0/7, 2nd number: 8/16
84/7 - 8/16 is 23/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
84/7 = 84 × 16/7 × 16 = 1344/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
8/16 = 8 × 7/16 × 7 = 56/112 - Subtract the two like fractions:
1344/112 - 56/112 = 1344 - 56/112 = 1288/112 - After reducing the fraction, the answer is 23/2
- In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-8/16 84/7-8/32 84/7-24/16 84/21-8/16 84/7-8/48 84/7-40/16 84/35-8/16 84/7-8/80 84/7-56/16 84/49-8/16