Add 40/15 and 6/28
1st number: 2 10/15, 2nd number: 6/28
40/15 + 6/28 is 121/42.
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,
40/15 = 40 × 28/15 × 28 = 1120/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
6/28 = 6 × 15/28 × 15 = 90/420 - Add the two like fractions:
1120/420 + 90/420 = 1120 + 90/420 = 1210/420 - 1210/420 simplified gives 121/42
- So, 40/15 + 6/28 = 121/42
In mixed form: 237/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+6/28 40/15+12/28 40/30+6/28 40/15+6/56 40/15+18/28 40/45+6/28 40/15+6/84 40/15+30/28 40/75+6/28 40/15+42/28