Add 27/45 and 81/18
1st number: 27/45, 2nd number: 4 9/18
27/45 + 81/18 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
27/45 = 27 × 2/45 × 2 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Add the two like fractions:
54/90 + 405/90 = 54 + 405/90 = 459/90 - 459/90 simplified gives 51/10
- So, 27/45 + 81/18 = 51/10
In mixed form: 51/10
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