Add 18/54 and 45/4
1st number: 18/54, 2nd number: 11 1/4
18/54 + 45/4 is 139/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
18/54 = 18 × 2/54 × 2 = 36/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
45/4 = 45 × 27/4 × 27 = 1215/108 - Add the two like fractions:
36/108 + 1215/108 = 36 + 1215/108 = 1251/108 - 1251/108 simplified gives 139/12
- So, 18/54 + 45/4 = 139/12
In mixed form: 117/12
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