Add 28/7 and 35/8
1st number: 4 0/7, 2nd number: 4 3/8
28/7 + 35/8 is 67/8.
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,
35/8 = 35 × 7/8 × 7 = 245/56 - Add the two like fractions:
224/56 + 245/56 = 224 + 245/56 = 469/56 - 469/56 simplified gives 67/8
- So, 28/7 + 35/8 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+35/8 28/7+70/8 28/14+35/8 28/7+35/16 84/7+35/8 28/21+35/8 28/7+35/24 28/35+35/8 28/7+35/40 28/49+35/8 28/7+35/56