Add 15/14 and 40/28
1st number: 1 1/14, 2nd number: 1 12/28
15/14 + 40/28 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
15/14 = 15 × 2/14 × 2 = 30/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
40/28 = 40 × 1/28 × 1 = 40/28 - Add the two like fractions:
30/28 + 40/28 = 30 + 40/28 = 70/28 - 70/28 simplified gives 5/2
- So, 15/14 + 40/28 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+40/28 15/14+80/28 15/28+40/28 15/14+40/56 45/14+40/28 15/42+40/28 15/14+40/84 75/14+40/28 15/70+40/28 15/98+40/28