Add 10/9 and 20/42, Solve 1 1/9 + 20/42 as a fraction

Add 10/9 and 20/42

1^st number: 1 1/9, 2^nd number: 20/42

10/9 + 20/42 is 100/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
10/9 = 10 × 14/9 × 14 = 140/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
20/42 = 20 × 3/42 × 3 = 60/126
Add the two like fractions:
140/126 + 60/126 = 140 + 60/126 = 200/126
200/126 simplified gives 100/63
So, 10/9 + 20/42 = 100/63
In mixed form: 137/63

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