Add 81/54 and 18/45
1st number: 1 27/54, 2nd number: 18/45
81/54 + 18/45 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 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 45 × 6 = 270,
18/45 = 18 × 6/45 × 6 = 108/270 - Add the two like fractions:
405/270 + 108/270 = 405 + 108/270 = 513/270 - 513/270 simplified gives 19/10
- So, 81/54 + 18/45 = 19/10
In mixed form: 19/10
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