Add 15/8 and 28/14
1st number: 1 7/8, 2nd number: 2 0/14
15/8 + 28/14 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
28/14 = 28 × 4/14 × 4 = 112/56 - Add the two like fractions:
105/56 + 112/56 = 105 + 112/56 = 217/56 - 217/56 simplified gives 31/8
- So, 15/8 + 28/14 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+28/14 15/8+56/14 15/16+28/14 45/8+28/14 15/8+84/14 15/24+28/14 15/8+28/42 75/8+28/14 15/40+28/14 15/8+28/70 15/56+28/14 15/8+28/98