Add 8/9 and 8/42
8/9 + 8/42 is 68/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
8/9 = 8 × 14/9 × 14 = 112/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
8/42 = 8 × 3/42 × 3 = 24/126 - Add the two like fractions:
112/126 + 24/126 = 112 + 24/126 = 136/126 - 136/126 simplified gives 68/63
- So, 8/9 + 8/42 = 68/63
In mixed form: 15/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+8/42 8/9+16/42 8/18+8/42 8/9+8/84 24/9+8/42 8/9+24/42 8/27+8/42 40/9+8/42 8/9+40/42 8/45+8/42 56/9+8/42 8/9+56/42 8/63+8/42