Answers

Add 3/28 and 40/54

3/28 + 40/54 is 641/756.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 28 × 27 = 756,
   3/28 = 3 × 27/28 × 27 = 81/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   40/54 = 40 × 14/54 × 14 = 560/756
4. Add the two like fractions:
   81/756 + 560/756 = 81 + 560/756 = 641/756
5. So, 3/28 + 40/54 = 641/756

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