Add 27/54 and 72/90
27/54 + 72/90 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
72/90 = 72 × 3/90 × 3 = 216/270 - Add the two like fractions:
135/270 + 216/270 = 135 + 216/270 = 351/270 - 351/270 simplified gives 13/10
- So, 27/54 + 72/90 = 13/10
In mixed form: 13/10
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