Add 28/7 and 98/8
1st number: 4 0/7, 2nd number: 12 2/8
28/7 + 98/8 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
28/7 = 28 × 8/7 × 8 = 224/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
98/8 = 98 × 7/8 × 7 = 686/56 - Add the two like fractions:
224/56 + 686/56 = 224 + 686/56 = 910/56 - 910/56 simplified gives 65/4
- So, 28/7 + 98/8 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+98/8 28/14+98/8 28/7+98/16 84/7+98/8 28/21+98/8 28/7+98/24 28/35+98/8 28/7+98/40 28/49+98/8 28/7+98/56