Add 24/16 and 28/21
1st number: 1 8/16, 2nd number: 1 7/21
24/16 + 28/21 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
24/16 = 24 × 21/16 × 21 = 504/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
28/21 = 28 × 16/21 × 16 = 448/336 - Add the two like fractions:
504/336 + 448/336 = 504 + 448/336 = 952/336 - 952/336 simplified gives 17/6
- So, 24/16 + 28/21 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/16+28/21 24/16+56/21 24/32+28/21 24/16+28/42 72/16+28/21 24/16+84/21 24/48+28/21 24/16+28/63 24/80+28/21