Add 18/3 and 45/42, Solve 6 0/3 + 1 3/42 as a fraction

Add 18/3 and 45/42

1^st number: 6 0/3, 2^nd number: 1 3/42

18/3 + 45/42 is 99/14.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
18/3 = 18 × 14/3 × 14 = 252/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
45/42 = 45 × 1/42 × 1 = 45/42
Add the two like fractions:
252/42 + 45/42 = 252 + 45/42 = 297/42
297/42 simplified gives 99/14
So, 18/3 + 45/42 = 99/14
In mixed form: 71/14

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