Subtract 98/8 from 90/3
1st number: 30 0/3, 2nd number: 12 2/8
90/3 - 98/8 is 71/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
90/3 = 90 × 8/3 × 8 = 720/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
98/8 = 98 × 3/8 × 3 = 294/24 - Subtract the two like fractions:
720/24 - 294/24 = 720 - 294/24 = 426/24 - After reducing the fraction, the answer is 71/4
- In mixed form: 173/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-98/8 90/3-98/16 90/9-98/8 90/3-98/24 90/15-98/8 90/3-98/40 90/21-98/8 90/3-98/56