Add 35/18 and 42/7
1st number: 1 17/18, 2nd number: 6 0/7
35/18 + 42/7 is 143/18.
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,
35/18 = 35 × 7/18 × 7 = 245/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Add the two like fractions:
245/126 + 756/126 = 245 + 756/126 = 1001/126 - 1001/126 simplified gives 143/18
- So, 35/18 + 42/7 = 143/18
In mixed form: 717/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+42/7 35/18+84/7 35/36+42/7 35/18+42/14 35/54+42/7 35/18+42/21 35/90+42/7 35/18+42/35 35/18+42/49