Add 14/21 and 20/6
1st number: 14/21, 2nd number: 3 2/6
14/21 + 20/6 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
14/21 = 14 × 2/21 × 2 = 28/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
20/6 = 20 × 7/6 × 7 = 140/42 - Add the two like fractions:
28/42 + 140/42 = 28 + 140/42 = 168/42 - 168/42 simplified gives 4/1
- So, 14/21 + 20/6 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+20/6 14/21+40/6 14/42+20/6 14/21+20/12 42/21+20/6 14/21+60/6 14/63+20/6 14/21+20/18 70/21+20/6 14/21+20/30 98/21+20/6 14/21+20/42