Add 15/9 and 72/27
1st number: 1 6/9, 2nd number: 2 18/27
15/9 + 72/27 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
15/9 = 15 × 3/9 × 3 = 45/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
72/27 = 72 × 1/27 × 1 = 72/27 - Add the two like fractions:
45/27 + 72/27 = 45 + 72/27 = 117/27 - 117/27 simplified gives 13/3
- So, 15/9 + 72/27 = 13/3
In mixed form: 41/3
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