Add 10/2 and 70/21, Solve 5 0/2 + 3 7/21 as a fraction

Add 10/2 and 70/21

1^st number: 5 0/2, 2^nd number: 3 7/21

10/2 + 70/21 is 25/3.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
10/2 = 10 × 21/2 × 21 = 210/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42
Add the two like fractions:
210/42 + 140/42 = 210 + 140/42 = 350/42
350/42 simplified gives 25/3
So, 10/2 + 70/21 = 25/3
In mixed form: 81/3

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