Add 98/8 and 12/7
1st number: 12 2/8, 2nd number: 1 5/7
98/8 + 12/7 is 391/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
98/8 = 98 × 7/8 × 7 = 686/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Add the two like fractions:
686/56 + 96/56 = 686 + 96/56 = 782/56 - 782/56 simplified gives 391/28
- So, 98/8 + 12/7 = 391/28
In mixed form: 1327/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8+24/7 98/16+12/7 98/8+12/14 98/8+36/7 98/24+12/7 98/8+12/21 98/8+60/7 98/40+12/7 98/8+12/35 98/8+84/7 98/56+12/7 98/8+12/49