Add 15/5 and 84/18
1st number: 3 0/5, 2nd number: 4 12/18
15/5 + 84/18 is 23/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
15/5 = 15 × 18/5 × 18 = 270/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Add the two like fractions:
270/90 + 420/90 = 270 + 420/90 = 690/90 - 690/90 simplified gives 23/3
- So, 15/5 + 84/18 = 23/3
In mixed form: 72/3
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