Add 72/27 and 30/18
1st number: 2 18/27, 2nd number: 1 12/18
72/27 + 30/18 is 13/3.
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,
30/18 = 30 × 3/18 × 3 = 90/54 - Add the two like fractions:
144/54 + 90/54 = 144 + 90/54 = 234/54 - 234/54 simplified gives 13/3
- So, 72/27 + 30/18 = 13/3
In mixed form: 41/3
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