Add 42/6 and 7/9
1st number: 7 0/6, 2nd number: 7/9
42/6 + 7/9 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
42/6 = 42 × 3/6 × 3 = 126/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
7/9 = 7 × 2/9 × 2 = 14/18 - Add the two like fractions:
126/18 + 14/18 = 126 + 14/18 = 140/18 - 140/18 simplified gives 70/9
- So, 42/6 + 7/9 = 70/9
In mixed form: 77/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6+7/9 42/6+14/9 42/12+7/9 42/6+7/18 42/6+21/9 42/18+7/9 42/6+7/27 42/6+35/9 42/30+7/9 42/6+7/45 42/6+49/9 42/6+7/63