Add 5/12 and 7/42
5/12 + 7/42 is 7/12.
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,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
35/84 + 14/84 = 35 + 14/84 = 49/84 - 49/84 simplified gives 7/12
- So, 5/12 + 7/42 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+7/42 5/12+14/42 5/24+7/42 5/12+7/84 15/12+7/42 5/12+21/42 5/36+7/42 25/12+7/42 5/12+35/42 5/60+7/42 35/12+7/42 5/12+49/42 5/84+7/42