Add 84/7 and 4/9
1st number: 12 0/7, 2nd number: 4/9
84/7 + 4/9 is 112/9.
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,
4/9 = 4 × 7/9 × 7 = 28/63 - Add the two like fractions:
756/63 + 28/63 = 756 + 28/63 = 784/63 - 784/63 simplified gives 112/9
- So, 84/7 + 4/9 = 112/9
In mixed form: 124/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+8/9 84/14+4/9 84/7+4/18 84/7+12/9 84/21+4/9 84/7+4/27 84/7+20/9 84/35+4/9 84/7+4/45 84/7+28/9 84/49+4/9 84/7+4/63