Add 3/9 and 42/24, Solve 3/9 + 1 18/24 as a fraction

Add 3/9 and 42/24

1^st number: 3/9, 2^nd number: 1 18/24

3/9 + 42/24 is 25/12.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
3/9 = 3 × 8/9 × 8 = 24/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
42/24 = 42 × 3/24 × 3 = 126/72
Add the two like fractions:
24/72 + 126/72 = 24 + 126/72 = 150/72
150/72 simplified gives 25/12
So, 3/9 + 42/24 = 25/12
In mixed form: 21/12

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