Add 8/63 and 90/9
1st number: 8/63, 2nd number: 10 0/9
8/63 + 90/9 is 638/63.
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,
8/63 = 8 × 1/63 × 1 = 8/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
90/9 = 90 × 7/9 × 7 = 630/63 - Add the two like fractions:
8/63 + 630/63 = 8 + 630/63 = 638/63 - So, 8/63 + 90/9 = 638/63
In mixed form: 108/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/63+90/9 8/63+90/18 24/63+90/9 8/63+90/27 40/63+90/9 8/63+90/45 56/63+90/9 8/63+90/63