Add 21/70 and 42/14, Solve 21/70 + 3 0/14 as a fraction

Add 21/70 and 42/14

1^st number: 21/70, 2^nd number: 3 0/14

21/70 + 42/14 is 33/10.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70
Likewise, for the 2nd fraction, since 14 × 5 = 70,
42/14 = 42 × 5/14 × 5 = 210/70
Add the two like fractions:
21/70 + 210/70 = 21 + 210/70 = 231/70
231/70 simplified gives 33/10
So, 21/70 + 42/14 = 33/10
In mixed form: 33/10

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