Add 18/4 and 72/9
1st number: 4 2/4, 2nd number: 8 0/9
18/4 + 72/9 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Add the two like fractions:
162/36 + 288/36 = 162 + 288/36 = 450/36 - 450/36 simplified gives 25/2
- So, 18/4 + 72/9 = 25/2
In mixed form: 121/2
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