Add 2/12 and 5/42
2/12 + 5/42 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Add the two like fractions:
14/84 + 10/84 = 14 + 10/84 = 24/84 - 24/84 simplified gives 2/7
- So, 2/12 + 5/42 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+5/42 2/12+10/42 2/24+5/42 2/12+5/84 6/12+5/42 2/12+15/42 2/36+5/42 10/12+5/42 2/12+25/42 2/60+5/42 14/12+5/42 2/12+35/42 2/84+5/42