Subtract 18/40 from 98/8
1st number: 12 2/8, 2nd number: 18/40
98/8 - 18/40 is 59/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
98/8 = 98 × 5/8 × 5 = 490/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Subtract the two like fractions:
490/40 - 18/40 = 490 - 18/40 = 472/40 - After reducing the fraction, the answer is 59/5
- In mixed form: 114/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-36/40 98/16-18/40 98/8-18/80 98/8-54/40 98/24-18/40 98/8-90/40 98/40-18/40 98/56-18/40