Add 20/18 and 70/7, Solve 1 2/18 + 10 0/7 as a fraction

Add 20/18 and 70/7

1^st number: 1 2/18, 2^nd number: 10 0/7

20/18 + 70/7 is 100/9.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
70/7 = 70 × 18/7 × 18 = 1260/126
Add the two like fractions:
140/126 + 1260/126 = 140 + 1260/126 = 1400/126
1400/126 simplified gives 100/9
So, 20/18 + 70/7 = 100/9
In mixed form: 111/9

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