Add 4/12 and 45/7, Solve 4/12 + 6 3/7 as a fraction

Add 4/12 and 45/7

1^st number: 4/12, 2^nd number: 6 3/7

4/12 + 45/7 is 142/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
45/7 = 45 × 12/7 × 12 = 540/84
Add the two like fractions:
28/84 + 540/84 = 28 + 540/84 = 568/84
568/84 simplified gives 142/21
So, 4/12 + 45/7 = 142/21
In mixed form: 616/21

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