Add 63/21 and 25/27
1st number: 3 0/21, 2nd number: 25/27
63/21 + 25/27 is 106/27.
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,
63/21 = 63 × 9/21 × 9 = 567/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
25/27 = 25 × 7/27 × 7 = 175/189 - Add the two like fractions:
567/189 + 175/189 = 567 + 175/189 = 742/189 - 742/189 simplified gives 106/27
- So, 63/21 + 25/27 = 106/27
In mixed form: 325/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21+50/27 63/42+25/27 63/21+25/54 63/21+75/27 63/21+25/81