Add 8/18 and 42/7
1st number: 8/18, 2nd number: 6 0/7
8/18 + 42/7 is 58/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Add the two like fractions:
56/126 + 756/126 = 56 + 756/126 = 812/126 - 812/126 simplified gives 58/9
- So, 8/18 + 42/7 = 58/9
In mixed form: 64/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+42/7 8/18+84/7 8/36+42/7 8/18+42/14 24/18+42/7 8/54+42/7 8/18+42/21 40/18+42/7 8/90+42/7 8/18+42/35 56/18+42/7 8/18+42/49