Add 7/9 and 4/84
7/9 + 4/84 is 52/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
7/9 = 7 × 28/9 × 28 = 196/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
4/84 = 4 × 3/84 × 3 = 12/252 - Add the two like fractions:
196/252 + 12/252 = 196 + 12/252 = 208/252 - 208/252 simplified gives 52/63
- So, 7/9 + 4/84 = 52/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+4/84 7/9+8/84 7/18+4/84 21/9+4/84 7/9+12/84 7/27+4/84 35/9+4/84 7/9+20/84 7/45+4/84 49/9+4/84 7/9+28/84 7/63+4/84