Add 30/21 and 10/16
1st number: 1 9/21, 2nd number: 10/16
30/21 + 10/16 is 115/56.
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,
30/21 = 30 × 16/21 × 16 = 480/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336 - Add the two like fractions:
480/336 + 210/336 = 480 + 210/336 = 690/336 - 690/336 simplified gives 115/56
- So, 30/21 + 10/16 = 115/56
In mixed form: 23/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+10/16 30/21+20/16 30/42+10/16 30/21+10/32 90/21+10/16 30/21+30/16 30/63+10/16 30/21+10/48 30/21+50/16 30/21+10/80 30/21+70/16