Add 96/21 and 8/18, Solve 4 12/21 + 8/18 as a fraction

Add 96/21 and 8/18

1^st number: 4 12/21, 2^nd number: 8/18

96/21 + 8/18 is 316/63.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
96/21 = 96 × 6/21 × 6 = 576/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126
Add the two like fractions:
576/126 + 56/126 = 576 + 56/126 = 632/126
632/126 simplified gives 316/63
So, 96/21 + 8/18 = 316/63
In mixed form: 51/63

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