Subtract 10/40 from 98/7
1st number: 14 0/7, 2nd number: 10/40
98/7 - 10/40 is 55/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
98/7 = 98 × 40/7 × 40 = 3920/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Subtract the two like fractions:
3920/280 - 70/280 = 3920 - 70/280 = 3850/280 - After reducing the fraction, the answer is 55/4
- In mixed form: 133/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/7-20/40 98/14-10/40 98/7-10/80 98/7-30/40 98/21-10/40 98/7-50/40 98/35-10/40 98/7-70/40 98/49-10/40