Add 27/21 and 70/6, Solve 1 6/21 + 11 4/6 as a fraction

Add 27/21 and 70/6

1^st number: 1 6/21, 2^nd number: 11 4/6

27/21 + 70/6 is 272/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
27/21 = 27 × 2/21 × 2 = 54/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42
Add the two like fractions:
54/42 + 490/42 = 54 + 490/42 = 544/42
544/42 simplified gives 272/21
So, 27/21 + 70/6 = 272/21
In mixed form: 1220/21

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