Add 21/42 and 50/48
1st number: 21/42, 2nd number: 1 2/48
21/42 + 50/48 is 37/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
21/42 = 21 × 8/42 × 8 = 168/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
50/48 = 50 × 7/48 × 7 = 350/336 - Add the two like fractions:
168/336 + 350/336 = 168 + 350/336 = 518/336 - 518/336 simplified gives 37/24
- So, 21/42 + 50/48 = 37/24
In mixed form: 113/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/84+50/48 21/42+50/96 63/42+50/48