Subtract 15/84 from 98/8
1st number: 12 2/8, 2nd number: 15/84
98/8 - 15/84 is 169/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
98/8 = 98 × 21/8 × 21 = 2058/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Subtract the two like fractions:
2058/168 - 30/168 = 2058 - 30/168 = 2028/168 - After reducing the fraction, the answer is 169/14
- In mixed form: 121/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-30/84 98/16-15/84 98/8-45/84 98/24-15/84 98/8-75/84 98/40-15/84 98/56-15/84