Add 81/4 and 3/18, Solve 20 1/4 + 3/18 as a fraction

Add 81/4 and 3/18

1^st number: 20 1/4, 2^nd number: 3/18

81/4 + 3/18 is 245/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 4 × 9 = 36,
81/4 = 81 × 9/4 × 9 = 729/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
3/18 = 3 × 2/18 × 2 = 6/36
Add the two like fractions:
729/36 + 6/36 = 729 + 6/36 = 735/36
735/36 simplified gives 245/12
So, 81/4 + 3/18 = 245/12
In mixed form: 205/12

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