Add 30/21 and 24/16
1st number: 1 9/21, 2nd number: 1 8/16
30/21 + 24/16 is 41/14.
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,
24/16 = 24 × 21/16 × 21 = 504/336 - Add the two like fractions:
480/336 + 504/336 = 480 + 504/336 = 984/336 - 984/336 simplified gives 41/14
- So, 30/21 + 24/16 = 41/14
In mixed form: 213/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+24/16 30/21+48/16 30/42+24/16 30/21+24/32 90/21+24/16 30/21+72/16 30/63+24/16 30/21+24/48 30/21+24/80