Add 72/90 and 81/54, Solve 72/90 + 1 27/54 as a fraction

Add 72/90 and 81/54

1^st number: 72/90, 2^nd number: 1 27/54

72/90 + 81/54 is 23/10.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 90 × 3 = 270,
72/90 = 72 × 3/90 × 3 = 216/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270
Add the two like fractions:
216/270 + 405/270 = 216 + 405/270 = 621/270
621/270 simplified gives 23/10
So, 72/90 + 81/54 = 23/10
In mixed form: 23/10

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