Add 3/6 and 20/42
3/6 + 20/42 is 41/42.
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,
3/6 = 3 × 7/6 × 7 = 21/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Add the two like fractions:
21/42 + 20/42 = 21 + 20/42 = 41/42 - So, 3/6 + 20/42 = 41/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6+40/42 3/12+20/42 3/6+20/84 9/6+20/42 3/6+60/42 3/18+20/42 15/6+20/42 3/30+20/42 21/6+20/42 3/42+20/42