Add 28/21 and 50/48
1st number: 1 7/21, 2nd number: 1 2/48
28/21 + 50/48 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
28/21 = 28 × 16/21 × 16 = 448/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
50/48 = 50 × 7/48 × 7 = 350/336 - Add the two like fractions:
448/336 + 350/336 = 448 + 350/336 = 798/336 - 798/336 simplified gives 19/8
- So, 28/21 + 50/48 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+50/48 28/42+50/48 28/21+50/96 84/21+50/48 28/63+50/48