Add 63/21 and 7/27
1st number: 3 0/21, 2nd number: 7/27
63/21 + 7/27 is 88/27.
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,
7/27 = 7 × 7/27 × 7 = 49/189 - Add the two like fractions:
567/189 + 49/189 = 567 + 49/189 = 616/189 - 616/189 simplified gives 88/27
- So, 63/21 + 7/27 = 88/27
In mixed form: 37/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21+14/27 63/42+7/27 63/21+7/54 63/21+21/27 63/21+7/81 63/21+35/27 63/21+49/27