Add 80/6 and 18/42
1st number: 13 2/6, 2nd number: 18/42
80/6 + 18/42 is 289/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
80/6 = 80 × 7/6 × 7 = 560/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Add the two like fractions:
560/42 + 18/42 = 560 + 18/42 = 578/42 - 578/42 simplified gives 289/21
- So, 80/6 + 18/42 = 289/21
In mixed form: 1316/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6+36/42 80/12+18/42 80/6+18/84 80/6+54/42 80/18+18/42 80/6+90/42 80/30+18/42 80/42+18/42