Add 42/7 and 32/18
1st number: 6 0/7, 2nd number: 1 14/18
42/7 + 32/18 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
42/7 = 42 × 18/7 × 18 = 756/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
32/18 = 32 × 7/18 × 7 = 224/126 - Add the two like fractions:
756/126 + 224/126 = 756 + 224/126 = 980/126 - 980/126 simplified gives 70/9
- So, 42/7 + 32/18 = 70/9
In mixed form: 77/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+32/18 42/7+64/18 42/14+32/18 42/7+32/36 42/7+96/18 42/21+32/18 42/7+32/54 42/35+32/18 42/7+32/90 42/49+32/18