Add 70/6 and 81/63, Solve 11 4/6 + 1 18/63 as a fraction

Add 70/6 and 81/63

1^st number: 11 4/6, 2^nd number: 1 18/63

70/6 + 81/63 is 272/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
70/6 = 70 × 21/6 × 21 = 1470/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126
Add the two like fractions:
1470/126 + 162/126 = 1470 + 162/126 = 1632/126
1632/126 simplified gives 272/21
So, 70/6 + 81/63 = 272/21
In mixed form: 1220/21

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