Add 81/28 and 20/54
1st number: 2 25/28, 2nd number: 20/54
81/28 + 20/54 is 2467/756.
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,
81/28 = 81 × 27/28 × 27 = 2187/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
20/54 = 20 × 14/54 × 14 = 280/756 - Add the two like fractions:
2187/756 + 280/756 = 2187 + 280/756 = 2467/756 - So, 81/28 + 20/54 = 2467/756
In mixed form: 3199/756
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