Add 27/30 and 54/90
27/30 + 54/90 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
27/30 = 27 × 3/30 × 3 = 81/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Add the two like fractions:
81/90 + 54/90 = 81 + 54/90 = 135/90 - 135/90 simplified gives 3/2
- So, 27/30 + 54/90 = 3/2
In mixed form: 11/2
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