Add 81/3 and 3/21, Solve 27 0/3 + 3/21 as a fraction

Add 81/3 and 3/21

1^st number: 27 0/3, 2^nd number: 3/21

81/3 + 3/21 is 190/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
81/3 = 81 × 7/3 × 7 = 567/21
Likewise, for the 2nd fraction, since 21 × 1 = 21,
3/21 = 3 × 1/21 × 1 = 3/21
Add the two like fractions:
567/21 + 3/21 = 567 + 3/21 = 570/21
570/21 simplified gives 190/7
So, 81/3 + 3/21 = 190/7
In mixed form: 271/7

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