Add 40/15 and 28/60
1st number: 2 10/15, 2nd number: 28/60
40/15 + 28/60 is 47/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
28/60 = 28 × 1/60 × 1 = 28/60 - Add the two like fractions:
160/60 + 28/60 = 160 + 28/60 = 188/60 - 188/60 simplified gives 47/15
- So, 40/15 + 28/60 = 47/15
In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+28/60 40/15+56/60 40/30+28/60 40/15+84/60 40/45+28/60 40/75+28/60