Add 50/21 and 48/20
1st number: 2 8/21, 2nd number: 2 8/20
50/21 + 48/20 is 502/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
50/21 = 50 × 20/21 × 20 = 1000/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
48/20 = 48 × 21/20 × 21 = 1008/420 - Add the two like fractions:
1000/420 + 1008/420 = 1000 + 1008/420 = 2008/420 - 2008/420 simplified gives 502/105
- So, 50/21 + 48/20 = 502/105
In mixed form: 482/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+96/20 50/42+48/20 50/21+48/40 50/63+48/20 50/21+48/60