Add 15/9 and 21/27
1st number: 1 6/9, 2nd number: 21/27
15/9 + 21/27 is 22/9.
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,
15/9 = 15 × 3/9 × 3 = 45/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
21/27 = 21 × 1/27 × 1 = 21/27 - Add the two like fractions:
45/27 + 21/27 = 45 + 21/27 = 66/27 - 66/27 simplified gives 22/9
- So, 15/9 + 21/27 = 22/9
In mixed form: 24/9
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