Add 20/15 and 9/27
1st number: 1 5/15, 2nd number: 9/27
20/15 + 9/27 is 5/3.
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,
20/15 = 20 × 9/15 × 9 = 180/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
9/27 = 9 × 5/27 × 5 = 45/135 - Add the two like fractions:
180/135 + 45/135 = 180 + 45/135 = 225/135 - 225/135 simplified gives 5/3
- So, 20/15 + 9/27 = 5/3
In mixed form: 12/3
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