Add 28/40 and 7/6
1st number: 28/40, 2nd number: 1 1/6
28/40 + 7/6 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
7/6 = 7 × 20/6 × 20 = 140/120 - Add the two like fractions:
84/120 + 140/120 = 84 + 140/120 = 224/120 - 224/120 simplified gives 28/15
- So, 28/40 + 7/6 = 28/15
In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+7/6 28/40+14/6 28/80+7/6 28/40+7/12 84/40+7/6 28/40+21/6 28/40+7/18 28/40+35/6 28/40+7/30 28/40+49/6 28/40+7/42