Add 28/63 and 56/9
1st number: 28/63, 2nd number: 6 2/9
28/63 + 56/9 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
28/63 = 28 × 1/63 × 1 = 28/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
56/9 = 56 × 7/9 × 7 = 392/63 - Add the two like fractions:
28/63 + 392/63 = 28 + 392/63 = 420/63 - 420/63 simplified gives 20/3
- So, 28/63 + 56/9 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+56/9 28/63+56/18 84/63+56/9 28/63+56/27 28/63+56/45 28/63+56/63