Add 18/7 and 28/16
1st number: 2 4/7, 2nd number: 1 12/16
18/7 + 28/16 is 121/28.
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,
18/7 = 18 × 16/7 × 16 = 288/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
28/16 = 28 × 7/16 × 7 = 196/112 - Add the two like fractions:
288/112 + 196/112 = 288 + 196/112 = 484/112 - 484/112 simplified gives 121/28
- So, 18/7 + 28/16 = 121/28
In mixed form: 49/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+28/16 18/7+56/16 18/14+28/16 18/7+28/32 54/7+28/16 18/7+84/16 18/21+28/16 18/7+28/48 90/7+28/16 18/35+28/16 18/7+28/80 18/49+28/16