Add 3/21 and 45/6, Solve 3/21 + 7 3/6 as a fraction

Add 3/21 and 45/6

1^st number: 3/21, 2^nd number: 7 3/6

3/21 + 45/6 is 107/14.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
3/21 = 3 × 2/21 × 2 = 6/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42
Add the two like fractions:
6/42 + 315/42 = 6 + 315/42 = 321/42
321/42 simplified gives 107/14
So, 3/21 + 45/6 = 107/14
In mixed form: 79/14

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