Add 18/28 and 90/54
1st number: 18/28, 2nd number: 1 36/54
18/28 + 90/54 is 97/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
18/28 = 18 × 27/28 × 27 = 486/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
90/54 = 90 × 14/54 × 14 = 1260/756 - Add the two like fractions:
486/756 + 1260/756 = 486 + 1260/756 = 1746/756 - 1746/756 simplified gives 97/42
- So, 18/28 + 90/54 = 97/42
In mixed form: 213/42
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