Add 50/21 and 60/27
1st number: 2 8/21, 2nd number: 2 6/27
50/21 + 60/27 is 290/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
50/21 = 50 × 9/21 × 9 = 450/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
60/27 = 60 × 7/27 × 7 = 420/189 - Add the two like fractions:
450/189 + 420/189 = 450 + 420/189 = 870/189 - 870/189 simplified gives 290/63
- So, 50/21 + 60/27 = 290/63
In mixed form: 438/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+60/27 50/21+60/54 50/63+60/27 50/21+60/81