Add 72/54 and 45/90, Solve 1 18/54 + 45/90 as a fraction

Add 72/54 and 45/90

1^st number: 1 18/54, 2^nd number: 45/90

72/54 + 45/90 is 11/6.

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,
72/54 = 72 × 5/54 × 5 = 360/270
Likewise, for the 2nd fraction, since 90 × 3 = 270,
45/90 = 45 × 3/90 × 3 = 135/270
Add the two like fractions:
360/270 + 135/270 = 360 + 135/270 = 495/270
495/270 simplified gives 11/6
So, 72/54 + 45/90 = 11/6
In mixed form: 15/6

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