Add 81/3 and 42/27
1st number: 27 0/3, 2nd number: 1 15/27
81/3 + 42/27 is 257/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
81/3 = 81 × 9/3 × 9 = 729/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27 - Add the two like fractions:
729/27 + 42/27 = 729 + 42/27 = 771/27 - 771/27 simplified gives 257/9
- So, 81/3 + 42/27 = 257/9
In mixed form: 285/9
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