Add 81/54 and 25/15
1st number: 1 27/54, 2nd number: 1 10/15
81/54 + 25/15 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
25/15 = 25 × 18/15 × 18 = 450/270 - Add the two like fractions:
405/270 + 450/270 = 405 + 450/270 = 855/270 - 855/270 simplified gives 19/6
- So, 81/54 + 25/15 = 19/6
In mixed form: 31/6
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