Answers

Add 90/12 and 45/56

1^st number: 7 6/12, 2^nd number: 45/56

90/12 + 45/56 is 465/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 12 × 14 = 168,
   90/12 = 90 × 14/12 × 14 = 1260/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   45/56 = 45 × 3/56 × 3 = 135/168
4. Add the two like fractions:
   1260/168 + 135/168 = 1260 + 135/168 = 1395/168
5. 1395/168 simplified gives 465/56
6. So, 90/12 + 45/56 = 465/56
   In mixed form: 817/56

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