Add 16/21 and 14/20
16/21 + 14/20 is 307/210.
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,
16/21 = 16 × 20/21 × 20 = 320/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420 - Add the two like fractions:
320/420 + 294/420 = 320 + 294/420 = 614/420 - 614/420 simplified gives 307/210
- So, 16/21 + 14/20 = 307/210
In mixed form: 197/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+14/20 16/21+28/20 16/42+14/20 16/21+14/40 48/21+14/20 16/21+42/20 16/63+14/20 16/21+14/60 80/21+14/20 16/21+70/20 16/21+98/20