Add 21/9 and 20/27
1st number: 2 3/9, 2nd number: 20/27
21/9 + 20/27 is 83/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
21/9 = 21 × 3/9 × 3 = 63/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
20/27 = 20 × 1/27 × 1 = 20/27 - Add the two like fractions:
63/27 + 20/27 = 63 + 20/27 = 83/27 - So, 21/9 + 20/27 = 83/27
In mixed form: 32/27
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