Add 27/9 and 72/15
1st number: 3 0/9, 2nd number: 4 12/15
27/9 + 72/15 is 39/5.
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,
72/15 = 72 × 3/15 × 3 = 216/45 - Add the two like fractions:
135/45 + 216/45 = 135 + 216/45 = 351/45 - 351/45 simplified gives 39/5
- So, 27/9 + 72/15 = 39/5
In mixed form: 74/5
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