Add 5/6 and 70/21, Solve 5/6 + 3 7/21 as a fraction

Add 5/6 and 70/21

1^st number: 5/6, 2^nd number: 3 7/21

5/6 + 70/21 is 25/6.

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

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42
Add the two like fractions:
35/42 + 140/42 = 35 + 140/42 = 175/42
175/42 simplified gives 25/6
So, 5/6 + 70/21 = 25/6
In mixed form: 41/6

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