Add 63/9 and 28/7
1st number: 7 0/9, 2nd number: 4 0/7
63/9 + 28/7 is 11/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
63/9 = 63 × 7/9 × 7 = 441/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
28/7 = 28 × 9/7 × 9 = 252/63 - Add the two like fractions:
441/63 + 252/63 = 441 + 252/63 = 693/63 - 693/63 simplified gives 11/1
- So, 63/9 + 28/7 = 11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9+56/7 63/18+28/7 63/9+28/14 63/9+84/7 63/27+28/7 63/9+28/21 63/45+28/7 63/9+28/35 63/9+28/49