Add 28/15 and 40/6
1st number: 1 13/15, 2nd number: 6 4/6
28/15 + 40/6 is 128/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
40/6 = 40 × 5/6 × 5 = 200/30 - Add the two like fractions:
56/30 + 200/30 = 56 + 200/30 = 256/30 - 256/30 simplified gives 128/15
- So, 28/15 + 40/6 = 128/15
In mixed form: 88/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+40/6 28/15+80/6 28/30+40/6 28/15+40/12 84/15+40/6 28/45+40/6 28/15+40/18 28/75+40/6 28/15+40/30 28/15+40/42