Add 28/18 and 56/63
1st number: 1 10/18, 2nd number: 56/63
28/18 + 56/63 is 22/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
56/63 = 56 × 2/63 × 2 = 112/126 - Add the two like fractions:
196/126 + 112/126 = 196 + 112/126 = 308/126 - 308/126 simplified gives 22/9
- So, 28/18 + 56/63 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+56/63 28/36+56/63 84/18+56/63 28/54+56/63 28/90+56/63