Subtract 1/40 from 98/28
1st number: 3 14/28, 2nd number: 1/40
98/28 - 1/40 is 139/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
98/28 = 98 × 10/28 × 10 = 980/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Subtract the two like fractions:
980/280 - 7/280 = 980 - 7/280 = 973/280 - After reducing the fraction, the answer is 139/40
- In mixed form: 319/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28-2/40 98/56-1/40 98/28-1/80 98/28-3/40 98/84-1/40 98/28-5/40 98/28-7/40