Subtract 49/9 from 75/18
1st number: 4 3/18, 2nd number: 5 4/9
75/18 - 49/9 is -23/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
75/18 = 75 × 1/18 × 1 = 75/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
49/9 = 49 × 2/9 × 2 = 98/18 - Subtract the two like fractions:
75/18 - 98/18 = 75 - 98/18 = -23/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/18-98/9 75/36-49/9 75/18-49/18 75/54-49/9 75/18-49/27 75/90-49/9 75/18-49/45 75/18-49/63