Add 64/21 and 14/70, Solve 3 1/21 + 14/70 as a fraction

Add 64/21 and 14/70

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

64/21 + 14/70 is 341/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
64/21 = 64 × 10/21 × 10 = 640/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
14/70 = 14 × 3/70 × 3 = 42/210
Add the two like fractions:
640/210 + 42/210 = 640 + 42/210 = 682/210
682/210 simplified gives 341/105
So, 64/21 + 14/70 = 341/105
In mixed form: 326/105

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