Add 28/63 and 7/9
28/63 + 7/9 is 11/9.
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,
7/9 = 7 × 7/9 × 7 = 49/63 - Add the two like fractions:
28/63 + 49/63 = 28 + 49/63 = 77/63 - 77/63 simplified gives 11/9
- So, 28/63 + 7/9 = 11/9
In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+7/9 28/63+14/9 28/63+7/18 84/63+7/9 28/63+21/9 28/63+7/27 28/63+35/9 28/63+7/45 28/63+49/9 28/63+7/63