Add 20/42 and 10/6
1st number: 20/42, 2nd number: 1 4/6
20/42 + 10/6 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
10/6 = 10 × 7/6 × 7 = 70/42 - Add the two like fractions:
20/42 + 70/42 = 20 + 70/42 = 90/42 - 90/42 simplified gives 15/7
- So, 20/42 + 10/6 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42+10/6 20/42+20/6 20/84+10/6 20/42+10/12 60/42+10/6 20/42+30/6 20/42+10/18 20/42+50/6 20/42+10/30 20/42+70/6 20/42+10/42