Add 98/12 and 9/7
1st number: 8 2/12, 2nd number: 1 2/7
98/12 + 9/7 is 397/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
9/7 = 9 × 12/7 × 12 = 108/84 - Add the two like fractions:
686/84 + 108/84 = 686 + 108/84 = 794/84 - 794/84 simplified gives 397/42
- So, 98/12 + 9/7 = 397/42
In mixed form: 919/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12+18/7 98/24+9/7 98/12+9/14 98/12+27/7 98/36+9/7 98/12+9/21 98/12+45/7 98/60+9/7 98/12+9/35 98/12+63/7 98/84+9/7 98/12+9/49