Add 21/27 and 30/12
1st number: 21/27, 2nd number: 2 6/12
21/27 + 30/12 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
21/27 = 21 × 4/27 × 4 = 84/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
30/12 = 30 × 9/12 × 9 = 270/108 - Add the two like fractions:
84/108 + 270/108 = 84 + 270/108 = 354/108 - 354/108 simplified gives 59/18
- So, 21/27 + 30/12 = 59/18
In mixed form: 35/18
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