Add 12/70 and 28/12, Solve 12/70 + 2 4/12 as a fraction

Add 12/70 and 28/12

1^st number: 12/70, 2^nd number: 2 4/12

12/70 + 28/12 is 263/105.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
12/70 = 12 × 6/70 × 6 = 72/420
Likewise, for the 2nd fraction, since 12 × 35 = 420,
28/12 = 28 × 35/12 × 35 = 980/420
Add the two like fractions:
72/420 + 980/420 = 72 + 980/420 = 1052/420
1052/420 simplified gives 263/105
So, 12/70 + 28/12 = 263/105
In mixed form: 253/105

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