Add 6/9 and 42/63
6/9 + 42/63 is 4/3.
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,
6/9 = 6 × 7/9 × 7 = 42/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
42/63 = 42 × 1/63 × 1 = 42/63 - Add the two like fractions:
42/63 + 42/63 = 42 + 42/63 = 84/63 - 84/63 simplified gives 4/3
- So, 6/9 + 42/63 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+42/63 6/9+84/63 6/18+42/63 18/9+42/63 6/27+42/63 30/9+42/63 6/45+42/63 42/9+42/63 6/63+42/63