Add 27/45 and 84/18
1st number: 27/45, 2nd number: 4 12/18
27/45 + 84/18 is 79/15.
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,
84/18 = 84 × 5/18 × 5 = 420/90 - Add the two like fractions:
54/90 + 420/90 = 54 + 420/90 = 474/90 - 474/90 simplified gives 79/15
- So, 27/45 + 84/18 = 79/15
In mixed form: 54/15
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