Add 81/3 and 21/35, Solve 27 0/3 + 21/35 as a fraction

Add 81/3 and 21/35

1^st number: 27 0/3, 2^nd number: 21/35

81/3 + 21/35 is 138/5.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 3 × 35 = 105,
81/3 = 81 × 35/3 × 35 = 2835/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
21/35 = 21 × 3/35 × 3 = 63/105
Add the two like fractions:
2835/105 + 63/105 = 2835 + 63/105 = 2898/105
2898/105 simplified gives 138/5
So, 81/3 + 21/35 = 138/5
In mixed form: 273/5

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