Add 42/27 and 21/9
1st number: 1 15/27, 2nd number: 2 3/9
42/27 + 21/9 is 35/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
21/9 = 21 × 3/9 × 3 = 63/27 - Add the two like fractions:
42/27 + 63/27 = 42 + 63/27 = 105/27 - 105/27 simplified gives 35/9
- So, 42/27 + 21/9 = 35/9
In mixed form: 38/9
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