Add 16/15 and 18/28
1st number: 1 1/15, 2nd number: 18/28
16/15 + 18/28 is 359/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
16/15 = 16 × 28/15 × 28 = 448/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
18/28 = 18 × 15/28 × 15 = 270/420 - Add the two like fractions:
448/420 + 270/420 = 448 + 270/420 = 718/420 - 718/420 simplified gives 359/210
- So, 16/15 + 18/28 = 359/210
In mixed form: 1149/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+18/28 16/15+36/28 16/30+18/28 16/15+18/56 48/15+18/28 16/15+54/28 16/45+18/28 16/15+18/84 80/15+18/28 16/15+90/28 16/75+18/28