Add 2/42 and 8/12
2/42 + 8/12 is 5/7.
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,
2/42 = 2 × 2/42 × 2 = 4/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Add the two like fractions:
4/84 + 56/84 = 4 + 56/84 = 60/84 - 60/84 simplified gives 5/7
- So, 2/42 + 8/12 = 5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+8/12 2/42+16/12 2/84+8/12 2/42+8/24 6/42+8/12 2/42+24/12 2/42+8/36 10/42+8/12 2/42+40/12 2/42+8/60 14/42+8/12 2/42+56/12 2/42+8/84