Subtract 15/90 from 98/18
1st number: 5 8/18, 2nd number: 15/90
98/18 - 15/90 is 95/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
15/90 = 15 × 1/90 × 1 = 15/90 - Subtract the two like fractions:
490/90 - 15/90 = 490 - 15/90 = 475/90 - After reducing the fraction, the answer is 95/18
- In mixed form: 55/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-30/90 98/36-15/90 98/18-45/90 98/54-15/90 98/18-75/90 98/90-15/90