Add 14/20 and 16/21
14/20 + 16/21 is 307/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
16/21 = 16 × 20/21 × 20 = 320/420 - Add the two like fractions:
294/420 + 320/420 = 294 + 320/420 = 614/420 - 614/420 simplified gives 307/210
- So, 14/20 + 16/21 = 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: 28/20+16/21 14/20+32/21 14/40+16/21 14/20+16/42 42/20+16/21 14/20+48/21 14/60+16/21 14/20+16/63 70/20+16/21 14/20+80/21 98/20+16/21