Add 8/42 and 80/12
1st number: 8/42, 2nd number: 6 8/12
8/42 + 80/12 is 48/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
80/12 = 80 × 7/12 × 7 = 560/84 - Add the two like fractions:
16/84 + 560/84 = 16 + 560/84 = 576/84 - 576/84 simplified gives 48/7
- So, 8/42 + 80/12 = 48/7
In mixed form: 66/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+80/12 8/84+80/12 8/42+80/24 24/42+80/12 8/42+80/36 40/42+80/12 8/42+80/60 56/42+80/12 8/42+80/84