Add 4/63 and 70/18, Solve 4/63 + 3 16/18 as a fraction

Add 4/63 and 70/18

1^st number: 4/63, 2^nd number: 3 16/18

4/63 + 70/18 is 83/21.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
4/63 = 4 × 2/63 × 2 = 8/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126
Add the two like fractions:
8/126 + 490/126 = 8 + 490/126 = 498/126
498/126 simplified gives 83/21
So, 4/63 + 70/18 = 83/21
In mixed form: 320/21

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