Add 6/42 and 20/7
1st number: 6/42, 2nd number: 2 6/7
6/42 + 20/7 is 3/1.
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,
6/42 = 6 × 1/42 × 1 = 6/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
20/7 = 20 × 6/7 × 6 = 120/42 - Add the two like fractions:
6/42 + 120/42 = 6 + 120/42 = 126/42 - 126/42 simplified gives 3/1
- So, 6/42 + 20/7 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+20/7 6/42+40/7 6/84+20/7 6/42+20/14 18/42+20/7 6/42+60/7 6/42+20/21 30/42+20/7 6/42+20/35 6/42+20/49