Add 81/63 and 72/36, Solve 1 18/63 + 2 0/36 as a fraction

Add 81/63 and 72/36

1^st number: 1 18/63, 2^nd number: 2 0/36

81/63 + 72/36 is 23/7.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
72/36 = 72 × 7/36 × 7 = 504/252
Add the two like fractions:
324/252 + 504/252 = 324 + 504/252 = 828/252
828/252 simplified gives 23/7
So, 81/63 + 72/36 = 23/7
In mixed form: 32/7

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