Add 12/70 and 84/36, Solve 12/70 + 2 12/36 as a fraction

Add 12/70 and 84/36

1^st number: 12/70, 2^nd number: 2 12/36

12/70 + 84/36 is 263/105.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 70 × 18 = 1260,
12/70 = 12 × 18/70 × 18 = 216/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
84/36 = 84 × 35/36 × 35 = 2940/1260
Add the two like fractions:
216/1260 + 2940/1260 = 216 + 2940/1260 = 3156/1260
3156/1260 simplified gives 263/105
So, 12/70 + 84/36 = 263/105
In mixed form: 253/105

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