Add 72/9 and 28/63
1st number: 8 0/9, 2nd number: 28/63
72/9 + 28/63 is 76/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
72/9 = 72 × 7/9 × 7 = 504/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
28/63 = 28 × 1/63 × 1 = 28/63 - Add the two like fractions:
504/63 + 28/63 = 504 + 28/63 = 532/63 - 532/63 simplified gives 76/9
- So, 72/9 + 28/63 = 76/9
In mixed form: 84/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+56/63 72/18+28/63 72/9+84/63 72/27+28/63 72/45+28/63 72/63+28/63