Add 15/60 and 84/9
1st number: 15/60, 2nd number: 9 3/9
15/60 + 84/9 is 115/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
84/9 = 84 × 20/9 × 20 = 1680/180 - Add the two like fractions:
45/180 + 1680/180 = 45 + 1680/180 = 1725/180 - 1725/180 simplified gives 115/12
- So, 15/60 + 84/9 = 115/12
In mixed form: 97/12
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