Add 27/9 and 20/15
1st number: 3 0/9, 2nd number: 1 5/15
27/9 + 20/15 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
27/9 = 27 × 5/9 × 5 = 135/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
20/15 = 20 × 3/15 × 3 = 60/45 - Add the two like fractions:
135/45 + 60/45 = 135 + 60/45 = 195/45 - 195/45 simplified gives 13/3
- So, 27/9 + 20/15 = 13/3
In mixed form: 41/3
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