Add 15/28 and 90/54
1st number: 15/28, 2nd number: 1 36/54
15/28 + 90/54 is 185/84.
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,
15/28 = 15 × 27/28 × 27 = 405/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
90/54 = 90 × 14/54 × 14 = 1260/756 - Add the two like fractions:
405/756 + 1260/756 = 405 + 1260/756 = 1665/756 - 1665/756 simplified gives 185/84
- So, 15/28 + 90/54 = 185/84
In mixed form: 217/84
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