Add 10/15 and 28/16
1st number: 10/15, 2nd number: 1 12/16
10/15 + 28/16 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
10/15 = 10 × 16/15 × 16 = 160/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240 - Add the two like fractions:
160/240 + 420/240 = 160 + 420/240 = 580/240 - 580/240 simplified gives 29/12
- So, 10/15 + 28/16 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+28/16 10/15+56/16 10/30+28/16 10/15+28/32 30/15+28/16 10/15+84/16 10/45+28/16 10/15+28/48 50/15+28/16 10/75+28/16 10/15+28/80 70/15+28/16