Add 28/4 and 15/14
1st number: 7 0/4, 2nd number: 1 1/14
28/4 + 15/14 is 113/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
28/4 = 28 × 7/4 × 7 = 196/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
15/14 = 15 × 2/14 × 2 = 30/28 - Add the two like fractions:
196/28 + 30/28 = 196 + 30/28 = 226/28 - 226/28 simplified gives 113/14
- So, 28/4 + 15/14 = 113/14
In mixed form: 81/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+15/14 28/4+30/14 28/8+15/14 28/4+15/28 84/4+15/14 28/4+45/14 28/12+15/14 28/4+15/42 28/4+75/14 28/20+15/14 28/4+15/70 28/4+15/98