Add 81/54 and 90/28
1st number: 1 27/54, 2nd number: 3 6/28
81/54 + 90/28 is 33/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
81/54 = 81 × 14/54 × 14 = 1134/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
90/28 = 90 × 27/28 × 27 = 2430/756 - Add the two like fractions:
1134/756 + 2430/756 = 1134 + 2430/756 = 3564/756 - 3564/756 simplified gives 33/7
- So, 81/54 + 90/28 = 33/7
In mixed form: 45/7
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