Add 84/70 and 12/21, Solve 1 14/70 + 12/21 as a fraction

Add 84/70 and 12/21

1^st number: 1 14/70, 2^nd number: 12/21

84/70 + 12/21 is 62/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
84/70 = 84 × 3/70 × 3 = 252/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
12/21 = 12 × 10/21 × 10 = 120/210
Add the two like fractions:
252/210 + 120/210 = 252 + 120/210 = 372/210
372/210 simplified gives 62/35
So, 84/70 + 12/21 = 62/35
In mixed form: 127/35

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