Add 20/6 and 81/45, Solve 3 2/6 + 1 36/45 as a fraction

Add 20/6 and 81/45

1^st number: 3 2/6, 2^nd number: 1 36/45

20/6 + 81/45 is 77/15.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
20/6 = 20 × 15/6 × 15 = 300/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
81/45 = 81 × 2/45 × 2 = 162/90
Add the two like fractions:
300/90 + 162/90 = 300 + 162/90 = 462/90
462/90 simplified gives 77/15
So, 20/6 + 81/45 = 77/15
In mixed form: 52/15

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