Add 5/21 and 70/6, Solve 5/21 + 11 4/6 as a fraction

Add 5/21 and 70/6

1^st number: 5/21, 2^nd number: 11 4/6

5/21 + 70/6 is 250/21.

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,
5/21 = 5 × 2/21 × 2 = 10/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42
Add the two like fractions:
10/42 + 490/42 = 10 + 490/42 = 500/42
500/42 simplified gives 250/21
So, 5/21 + 70/6 = 250/21
In mixed form: 1119/21

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