Answers

Add 54/56 and 90/6

1^st number: 54/56, 2^nd number: 15 0/6

54/56 + 90/6 is 447/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 6 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   54/56 = 54 × 3/56 × 3 = 162/168
3. Likewise, for the 2nd fraction, since 6 × 28 = 168,
   90/6 = 90 × 28/6 × 28 = 2520/168
4. Add the two like fractions:
   162/168 + 2520/168 = 162 + 2520/168 = 2682/168
5. 2682/168 simplified gives 447/28
6. So, 54/56 + 90/6 = 447/28
   In mixed form: 1527/28

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