Add 28/6 and 20/42
1st number: 4 4/6, 2nd number: 20/42
28/6 + 20/42 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
28/6 = 28 × 7/6 × 7 = 196/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Add the two like fractions:
196/42 + 20/42 = 196 + 20/42 = 216/42 - 216/42 simplified gives 36/7
- So, 28/6 + 20/42 = 36/7
In mixed form: 51/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6+20/42 28/6+40/42 28/12+20/42 28/6+20/84 84/6+20/42 28/6+60/42 28/18+20/42 28/30+20/42 28/42+20/42