Add 70/6 and 72/63, Solve 11 4/6 + 1 9/63 as a fraction

Add 70/6 and 72/63

1^st number: 11 4/6, 2^nd number: 1 9/63

70/6 + 72/63 is 269/21.

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,
72/63 = 72 × 2/63 × 2 = 144/126
Add the two like fractions:
1470/126 + 144/126 = 1470 + 144/126 = 1614/126
1614/126 simplified gives 269/21
So, 70/6 + 72/63 = 269/21
In mixed form: 1217/21

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