Add 54/12 and 90/18
1st number: 4 6/12, 2nd number: 5 0/18
54/12 + 90/18 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
54/12 = 54 × 3/12 × 3 = 162/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
90/18 = 90 × 2/18 × 2 = 180/36 - Add the two like fractions:
162/36 + 180/36 = 162 + 180/36 = 342/36 - 342/36 simplified gives 19/2
- So, 54/12 + 90/18 = 19/2
In mixed form: 91/2
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