Add 63/45 and 72/54, Solve 1 18/45 + 1 18/54 as a fraction

Add 63/45 and 72/54

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

63/45 + 72/54 is 41/15.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 45 × 6 = 270,
63/45 = 63 × 6/45 × 6 = 378/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270
Add the two like fractions:
378/270 + 360/270 = 378 + 360/270 = 738/270
738/270 simplified gives 41/15
So, 63/45 + 72/54 = 41/15
In mixed form: 211/15

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