Add 1/42 and 3/7
1/42 + 3/7 is 19/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
1/42 = 1 × 1/42 × 1 = 1/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
3/7 = 3 × 6/7 × 6 = 18/42 - Add the two like fractions:
1/42 + 18/42 = 1 + 18/42 = 19/42 - So, 1/42 + 3/7 = 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+3/7 1/42+6/7 1/84+3/7 1/42+3/14 3/42+3/7 1/42+9/7 1/42+3/21 5/42+3/7 1/42+15/7 1/42+3/35 7/42+3/7 1/42+21/7 1/42+3/49