Add 90/63 and 28/9
1st number: 1 27/63, 2nd number: 3 1/9
90/63 + 28/9 is 286/63.
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,
90/63 = 90 × 1/63 × 1 = 90/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
28/9 = 28 × 7/9 × 7 = 196/63 - Add the two like fractions:
90/63 + 196/63 = 90 + 196/63 = 286/63 - So, 90/63 + 28/9 = 286/63
In mixed form: 434/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+56/9 90/63+28/18 90/63+84/9 90/63+28/27 90/63+28/45 90/63+28/63