Add 75/18 and 21/9, Solve 4 3/18 + 2 3/9 as a fraction

Add 75/18 and 21/9

1^st number: 4 3/18, 2^nd number: 2 3/9

75/18 + 21/9 is 13/2.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18

Next, find the equivalent fraction of both fractional numbers with denominator 18
For the 1st fraction, since 18 × 1 = 18,
75/18 = 75 × 1/18 × 1 = 75/18
Likewise, for the 2nd fraction, since 9 × 2 = 18,
21/9 = 21 × 2/9 × 2 = 42/18
Add the two like fractions:
75/18 + 42/18 = 75 + 42/18 = 117/18
117/18 simplified gives 13/2
So, 75/18 + 21/9 = 13/2
In mixed form: 61/2

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