Subtract 98/8 from 27/15
1st number: 1 12/15, 2nd number: 12 2/8
27/15 - 98/8 is -209/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
98/8 = 98 × 15/8 × 15 = 1470/120 - Subtract the two like fractions:
216/120 - 1470/120 = 216 - 1470/120 = -1254/120 - After reducing the fraction, the answer is -209/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-98/8 27/30-98/8 27/15-98/16 81/15-98/8 27/45-98/8 27/15-98/24 27/75-98/8 27/15-98/40 27/15-98/56