Add 8/7 and 28/16
1st number: 1 1/7, 2nd number: 1 12/16
8/7 + 28/16 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
8/7 = 8 × 16/7 × 16 = 128/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
28/16 = 28 × 7/16 × 7 = 196/112 - Add the two like fractions:
128/112 + 196/112 = 128 + 196/112 = 324/112 - 324/112 simplified gives 81/28
- So, 8/7 + 28/16 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+28/16 8/7+56/16 8/14+28/16 8/7+28/32 24/7+28/16 8/7+84/16 8/21+28/16 8/7+28/48 40/7+28/16 8/35+28/16 8/7+28/80 56/7+28/16 8/49+28/16