Subtract 84/16 from 27/7
1st number: 3 6/7, 2nd number: 5 4/16
27/7 - 84/16 is -39/28.
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,
27/7 = 27 × 16/7 × 16 = 432/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
84/16 = 84 × 7/16 × 7 = 588/112 - Subtract the two like fractions:
432/112 - 588/112 = 432 - 588/112 = -156/112 - After reducing the fraction, the answer is -39/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-84/16 27/14-84/16 27/7-84/32 81/7-84/16 27/21-84/16 27/7-84/48 27/35-84/16 27/7-84/80 27/49-84/16