Subtract 15/7 from 98/5
1st number: 19 3/5, 2nd number: 2 1/7
98/5 - 15/7 is 611/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
98/5 = 98 × 7/5 × 7 = 686/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
15/7 = 15 × 5/7 × 5 = 75/35 - Subtract the two like fractions:
686/35 - 75/35 = 686 - 75/35 = 611/35 - In mixed form: 1716/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/5-30/7 98/10-15/7 98/5-15/14 98/5-45/7 98/15-15/7 98/5-15/21 98/5-75/7 98/25-15/7 98/5-15/35 98/35-15/7 98/5-15/49