Add 8/12 and 45/70, Solve 8/12 + 45/70 as a fraction

Add 8/12 and 45/70

8/12 + 45/70 is 55/42.

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,
8/12 = 8 × 35/12 × 35 = 280/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420
Add the two like fractions:
280/420 + 270/420 = 280 + 270/420 = 550/420
550/420 simplified gives 55/42
So, 8/12 + 45/70 = 55/42
In mixed form: 113/42

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