Add 18/14 and 81/63, Solve 1 4/14 + 1 18/63 as a fraction

Add 18/14 and 81/63

1^st number: 1 4/14, 2^nd number: 1 18/63

18/14 + 81/63 is 18/7.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
18/14 = 18 × 9/14 × 9 = 162/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126
Add the two like fractions:
162/126 + 162/126 = 162 + 162/126 = 324/126
324/126 simplified gives 18/7
So, 18/14 + 81/63 = 18/7
In mixed form: 24/7

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