Add 9/54 and 90/72, Solve 9/54 + 1 18/72 as a fraction

Add 9/54 and 90/72

1^st number: 9/54, 2^nd number: 1 18/72

9/54 + 90/72 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 54 × 4 = 216,
9/54 = 9 × 4/54 × 4 = 36/216
Likewise, for the 2nd fraction, since 72 × 3 = 216,
90/72 = 90 × 3/72 × 3 = 270/216
Add the two like fractions:
36/216 + 270/216 = 36 + 270/216 = 306/216
306/216 simplified gives 17/12
So, 9/54 + 90/72 = 17/12
In mixed form: 15/12

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