Add 21/2 and 70/35, Solve 10 1/2 + 2 0/35 as a fraction

Add 21/2 and 70/35

1^st number: 10 1/2, 2^nd number: 2 0/35

21/2 + 70/35 is 25/2.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 2 × 35 = 70,
21/2 = 21 × 35/2 × 35 = 735/70
Likewise, for the 2nd fraction, since 35 × 2 = 70,
70/35 = 70 × 2/35 × 2 = 140/70
Add the two like fractions:
735/70 + 140/70 = 735 + 140/70 = 875/70
875/70 simplified gives 25/2
So, 21/2 + 70/35 = 25/2
In mixed form: 121/2

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