Add 15/4 and 28/14
1st number: 3 3/4, 2nd number: 2 0/14
15/4 + 28/14 is 23/4.
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,
15/4 = 15 × 7/4 × 7 = 105/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
28/14 = 28 × 2/14 × 2 = 56/28 - Add the two like fractions:
105/28 + 56/28 = 105 + 56/28 = 161/28 - 161/28 simplified gives 23/4
- So, 15/4 + 28/14 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+28/14 15/4+56/14 15/8+28/14 45/4+28/14 15/4+84/14 15/12+28/14 15/4+28/42 75/4+28/14 15/20+28/14 15/4+28/70 15/28+28/14 15/4+28/98