Add 81/3 and 42/9
1st number: 27 0/3, 2nd number: 4 6/9
81/3 + 42/9 is 95/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
81/3 = 81 × 3/3 × 3 = 243/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
42/9 = 42 × 1/9 × 1 = 42/9 - Add the two like fractions:
243/9 + 42/9 = 243 + 42/9 = 285/9 - 285/9 simplified gives 95/3
- So, 81/3 + 42/9 = 95/3
In mixed form: 312/3
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