Subtract 3/45 from 98/18
1st number: 5 8/18, 2nd number: 3/45
98/18 - 3/45 is 242/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 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 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Subtract the two like fractions:
490/90 - 6/90 = 490 - 6/90 = 484/90 - After reducing the fraction, the answer is 242/45
- In mixed form: 517/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-6/45 98/36-3/45 98/18-3/90 98/18-9/45 98/54-3/45 98/18-15/45 98/90-3/45 98/18-21/45