Add 18/2 and 81/15
1st number: 9 0/2, 2nd number: 5 6/15
18/2 + 81/15 is 72/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
18/2 = 18 × 15/2 × 15 = 270/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Add the two like fractions:
270/30 + 162/30 = 270 + 162/30 = 432/30 - 432/30 simplified gives 72/5
- So, 18/2 + 81/15 = 72/5
In mixed form: 142/5
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