Add 3/42 and 42/7
1st number: 3/42, 2nd number: 6 0/7
3/42 + 42/7 is 85/14.
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,
3/42 = 3 × 1/42 × 1 = 3/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
42/7 = 42 × 6/7 × 6 = 252/42 - Add the two like fractions:
3/42 + 252/42 = 3 + 252/42 = 255/42 - 255/42 simplified gives 85/14
- So, 3/42 + 42/7 = 85/14
In mixed form: 61/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+42/7 3/42+84/7 3/84+42/7 3/42+42/14 9/42+42/7 3/42+42/21 15/42+42/7 3/42+42/35 21/42+42/7 3/42+42/49