Add 50/21 and 54/49
1st number: 2 8/21, 2nd number: 1 5/49
50/21 + 54/49 is 512/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
50/21 = 50 × 7/21 × 7 = 350/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
54/49 = 54 × 3/49 × 3 = 162/147 - Add the two like fractions:
350/147 + 162/147 = 350 + 162/147 = 512/147 - So, 50/21 + 54/49 = 512/147
In mixed form: 371/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+54/49 50/21+54/98 50/63+54/49