Add 54/27 and 20/15
1st number: 2 0/27, 2nd number: 1 5/15
54/27 + 20/15 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
20/15 = 20 × 9/15 × 9 = 180/135 - Add the two like fractions:
270/135 + 180/135 = 270 + 180/135 = 450/135 - 450/135 simplified gives 10/3
- So, 54/27 + 20/15 = 10/3
In mixed form: 31/3
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