Add 81/6 and 21/54
1st number: 13 3/6, 2nd number: 21/54
81/6 + 21/54 is 125/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
81/6 = 81 × 9/6 × 9 = 729/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
729/54 + 21/54 = 729 + 21/54 = 750/54 - 750/54 simplified gives 125/9
- So, 81/6 + 21/54 = 125/9
In mixed form: 138/9
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