Add 40/7 and 20/18, Solve 5 5/7 + 1 2/18 as a fraction

Add 40/7 and 20/18

1^st number: 5 5/7, 2^nd number: 1 2/18

40/7 + 20/18 is 430/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 7 × 18 = 126,
40/7 = 40 × 18/7 × 18 = 720/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126
Add the two like fractions:
720/126 + 140/126 = 720 + 140/126 = 860/126
860/126 simplified gives 430/63
So, 40/7 + 20/18 = 430/63
In mixed form: 652/63

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