Add 14/21 and 14/20
14/21 + 14/20 is 41/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
14/21 = 14 × 20/21 × 20 = 280/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420 - Add the two like fractions:
280/420 + 294/420 = 280 + 294/420 = 574/420 - 574/420 simplified gives 41/30
- So, 14/21 + 14/20 = 41/30
In mixed form: 111/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+14/20 14/21+28/20 14/42+14/20 14/21+14/40 42/21+14/20 14/21+42/20 14/63+14/20 14/21+14/60 70/21+14/20 14/21+70/20 98/21+14/20 14/21+98/20