Add 12/15 and 54/27
1st number: 12/15, 2nd number: 2 0/27
12/15 + 54/27 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
12/15 = 12 × 9/15 × 9 = 108/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Add the two like fractions:
108/135 + 270/135 = 108 + 270/135 = 378/135 - 378/135 simplified gives 14/5
- So, 12/15 + 54/27 = 14/5
In mixed form: 24/5
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