Add 27/15 and 18/8
1st number: 1 12/15, 2nd number: 2 2/8
27/15 + 18/8 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120 - Add the two like fractions:
216/120 + 270/120 = 216 + 270/120 = 486/120 - 486/120 simplified gives 81/20
- So, 27/15 + 18/8 = 81/20
In mixed form: 41/20
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