Add 50/21 and 30/6
1st number: 2 8/21, 2nd number: 5 0/6
50/21 + 30/6 is 155/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
50/21 = 50 × 2/21 × 2 = 100/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
30/6 = 30 × 7/6 × 7 = 210/42 - Add the two like fractions:
100/42 + 210/42 = 100 + 210/42 = 310/42 - 310/42 simplified gives 155/21
- So, 50/21 + 30/6 = 155/21
In mixed form: 78/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+60/6 50/42+30/6 50/21+30/12 50/21+90/6 50/63+30/6 50/21+30/18 50/21+30/42