Add 75/12 and 21/18, Solve 6 3/12 + 1 3/18 as a fraction

Add 75/12 and 21/18

1^st number: 6 3/12, 2^nd number: 1 3/18

75/12 + 21/18 is 89/12.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 12 × 3 = 36,
75/12 = 75 × 3/12 × 3 = 225/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
21/18 = 21 × 2/18 × 2 = 42/36
Add the two like fractions:
225/36 + 42/36 = 225 + 42/36 = 267/36
267/36 simplified gives 89/12
So, 75/12 + 21/18 = 89/12
In mixed form: 75/12

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