Add 27/30 and 81/54
1st number: 27/30, 2nd number: 1 27/54
27/30 + 81/54 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
27/30 = 27 × 9/30 × 9 = 243/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270 - Add the two like fractions:
243/270 + 405/270 = 243 + 405/270 = 648/270 - 648/270 simplified gives 12/5
- So, 27/30 + 81/54 = 12/5
In mixed form: 22/5
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