Add 21/54 and 9/6
1st number: 21/54, 2nd number: 1 3/6
21/54 + 9/6 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
9/6 = 9 × 9/6 × 9 = 81/54 - Add the two like fractions:
21/54 + 81/54 = 21 + 81/54 = 102/54 - 102/54 simplified gives 17/9
- So, 21/54 + 9/6 = 17/9
In mixed form: 18/9
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