Add 72/27 and 15/18
1st number: 2 18/27, 2nd number: 15/18
72/27 + 15/18 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
72/27 = 72 × 2/27 × 2 = 144/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Add the two like fractions:
144/54 + 45/54 = 144 + 45/54 = 189/54 - 189/54 simplified gives 7/2
- So, 72/27 + 15/18 = 7/2
In mixed form: 31/2
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