Add 28/18 and 14/15
1st number: 1 10/18, 2nd number: 14/15
28/18 + 14/15 is 112/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
14/15 = 14 × 6/15 × 6 = 84/90 - Add the two like fractions:
140/90 + 84/90 = 140 + 84/90 = 224/90 - 224/90 simplified gives 112/45
- So, 28/18 + 14/15 = 112/45
In mixed form: 222/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+14/15 28/18+28/15 28/36+14/15 28/18+14/30 84/18+14/15 28/18+42/15 28/54+14/15 28/18+14/45 28/18+70/15 28/90+14/15 28/18+14/75 28/18+98/15