Add 54/21 and 2/18, Solve 2 12/21 + 2/18 as a fraction

Add 54/21 and 2/18

1^st number: 2 12/21, 2^nd number: 2/18

54/21 + 2/18 is 169/63.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
54/21 = 54 × 6/21 × 6 = 324/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126
Add the two like fractions:
324/126 + 14/126 = 324 + 14/126 = 338/126
338/126 simplified gives 169/63
So, 54/21 + 2/18 = 169/63
In mixed form: 243/63

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