Subtract 18/8 from 27/14
1st number: 1 13/14, 2nd number: 2 2/8
27/14 - 18/8 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
27/14 = 27 × 4/14 × 4 = 108/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Subtract the two like fractions:
108/56 - 126/56 = 108 - 126/56 = -18/56 - After reducing the fraction, the answer is -9/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-18/8 27/14-36/8 27/28-18/8 27/14-18/16 81/14-18/8 27/14-54/8 27/42-18/8 27/14-18/24 27/14-90/8 27/70-18/8 27/14-18/40 27/98-18/8 27/14-18/56