Add 75/12 and 14/70, Solve 6 3/12 + 14/70 as a fraction

Add 75/12 and 14/70

1^st number: 6 3/12, 2^nd number: 14/70

75/12 + 14/70 is 129/20.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
75/12 = 75 × 35/12 × 35 = 2625/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
14/70 = 14 × 6/70 × 6 = 84/420
Add the two like fractions:
2625/420 + 84/420 = 2625 + 84/420 = 2709/420
2709/420 simplified gives 129/20
So, 75/12 + 14/70 = 129/20
In mixed form: 69/20

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