Answers

Add 30/56 and 45/12

1^st number: 30/56, 2^nd number: 3 9/12

30/56 + 45/12 is 30/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 12 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   30/56 = 30 × 3/56 × 3 = 90/168
3. Likewise, for the 2nd fraction, since 12 × 14 = 168,
   45/12 = 45 × 14/12 × 14 = 630/168
4. Add the two like fractions:
   90/168 + 630/168 = 90 + 630/168 = 720/168
5. 720/168 simplified gives 30/7
6. So, 30/56 + 45/12 = 30/7
   In mixed form: 42/7

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