Add 70/2 and 20/21, Solve 35 0/2 + 20/21 as a fraction

Add 70/2 and 20/21

1^st number: 35 0/2, 2^nd number: 20/21

70/2 + 20/21 is 755/21.

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,
70/2 = 70 × 21/2 × 21 = 1470/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42
Add the two like fractions:
1470/42 + 40/42 = 1470 + 40/42 = 1510/42
1510/42 simplified gives 755/21
So, 70/2 + 20/21 = 755/21
In mixed form: 3520/21

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