Add 2/8 and 27/21, Solve 2/8 + 1 6/21 as a fraction

Add 2/8 and 27/21

1^st number: 2/8, 2^nd number: 1 6/21

2/8 + 27/21 is 43/28.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
2/8 = 2 × 21/8 × 21 = 42/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
27/21 = 27 × 8/21 × 8 = 216/168
Add the two like fractions:
42/168 + 216/168 = 42 + 216/168 = 258/168
258/168 simplified gives 43/28
So, 2/8 + 27/21 = 43/28
In mixed form: 115/28

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