Add 50/21 and 2/7
1st number: 2 8/21, 2nd number: 2/7
50/21 + 2/7 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 21 × 1 = 21,
50/21 = 50 × 1/21 × 1 = 50/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
2/7 = 2 × 3/7 × 3 = 6/21 - Add the two like fractions:
50/21 + 6/21 = 50 + 6/21 = 56/21 - 56/21 simplified gives 8/3
- So, 50/21 + 2/7 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+4/7 50/42+2/7 50/21+2/14 50/21+6/7 50/63+2/7 50/21+2/21 50/21+10/7 50/21+2/35 50/21+14/7 50/21+2/49