Add 28/12 and 45/70, Solve 2 4/12 + 45/70 as a fraction

Add 28/12 and 45/70

1^st number: 2 4/12, 2^nd number: 45/70

28/12 + 45/70 is 125/42.

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,
28/12 = 28 × 35/12 × 35 = 980/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420
Add the two like fractions:
980/420 + 270/420 = 980 + 270/420 = 1250/420
1250/420 simplified gives 125/42
So, 28/12 + 45/70 = 125/42
In mixed form: 241/42

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