Add 18/5 and 54/12
1st number: 3 3/5, 2nd number: 4 6/12
18/5 + 54/12 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
18/5 = 18 × 12/5 × 12 = 216/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Add the two like fractions:
216/60 + 270/60 = 216 + 270/60 = 486/60 - 486/60 simplified gives 81/10
- So, 18/5 + 54/12 = 81/10
In mixed form: 81/10
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