Add 1/3 and 7/42
1/3 + 7/42 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
1/3 = 1 × 14/3 × 14 = 14/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42 - Add the two like fractions:
14/42 + 7/42 = 14 + 7/42 = 21/42 - 21/42 simplified gives 1/2
- So, 1/3 + 7/42 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+7/42 1/3+14/42 1/6+7/42 1/3+7/84 1/3+21/42 1/9+7/42 5/3+7/42 1/3+35/42 1/15+7/42 7/3+7/42 1/3+49/42 1/21+7/42