Add 20/21 and 10/16
20/21 + 10/16 is 265/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
20/21 = 20 × 16/21 × 16 = 320/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Add the two like fractions:
320/336 + 210/336 = 320 + 210/336 = 530/336 - 530/336 simplified gives 265/168
- So, 20/21 + 10/16 = 265/168
In mixed form: 197/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21+10/16 20/21+20/16 20/42+10/16 20/21+10/32 60/21+10/16 20/21+30/16 20/63+10/16 20/21+10/48 20/21+50/16 20/21+10/80 20/21+70/16