Subtract 27/7 from 98/15
1st number: 6 8/15, 2nd number: 3 6/7
98/15 - 27/7 is 281/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
98/15 = 98 × 7/15 × 7 = 686/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
27/7 = 27 × 15/7 × 15 = 405/105 - Subtract the two like fractions:
686/105 - 405/105 = 686 - 405/105 = 281/105 - In mixed form: 271/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-54/7 98/30-27/7 98/15-27/14 98/15-81/7 98/45-27/7 98/15-27/21 98/75-27/7 98/15-27/35 98/15-27/49