Add 18/9 and 12/4
1st number: 2 0/9, 2nd number: 3 0/4
18/9 + 12/4 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
18/9 = 18 × 4/9 × 4 = 72/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Add the two like fractions:
72/36 + 108/36 = 72 + 108/36 = 180/36 - 180/36 simplified gives 5/1
- So, 18/9 + 12/4 = 5/1
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