Add 84/7 and 1/9
1st number: 12 0/7, 2nd number: 1/9
84/7 + 1/9 is 109/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
84/7 = 84 × 9/7 × 9 = 756/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
1/9 = 1 × 7/9 × 7 = 7/63 - Add the two like fractions:
756/63 + 7/63 = 756 + 7/63 = 763/63 - 763/63 simplified gives 109/9
- So, 84/7 + 1/9 = 109/9
In mixed form: 121/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+2/9 84/14+1/9 84/7+1/18 84/7+3/9 84/21+1/9 84/7+1/27 84/7+5/9 84/35+1/9 84/7+1/45 84/7+7/9 84/49+1/9 84/7+1/63