Subtract 30/8 from 98/9
1st number: 10 8/9, 2nd number: 3 6/8
98/9 - 30/8 is 257/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
98/9 = 98 × 8/9 × 8 = 784/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
30/8 = 30 × 9/8 × 9 = 270/72 - Subtract the two like fractions:
784/72 - 270/72 = 784 - 270/72 = 514/72 - After reducing the fraction, the answer is 257/36
- In mixed form: 75/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/9-60/8 98/18-30/8 98/9-30/16 98/9-90/8 98/27-30/8 98/9-30/24 98/45-30/8 98/9-30/40 98/63-30/8 98/9-30/56