Add 63/21 and 30/27
1st number: 3 0/21, 2nd number: 1 3/27
63/21 + 30/27 is 37/9.
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,
30/27 = 30 × 7/27 × 7 = 210/189 - Add the two like fractions:
567/189 + 210/189 = 567 + 210/189 = 777/189 - 777/189 simplified gives 37/9
- So, 63/21 + 30/27 = 37/9
In mixed form: 41/9
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