Answers

Add 45/12 and 24/56

1^st number: 3 9/12, 2^nd number: 24/56

45/12 + 24/56 is 117/28.

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,
   45/12 = 45 × 14/12 × 14 = 630/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   24/56 = 24 × 3/56 × 3 = 72/168
4. Add the two like fractions:
   630/168 + 72/168 = 630 + 72/168 = 702/168
5. 702/168 simplified gives 117/28
6. So, 45/12 + 24/56 = 117/28
   In mixed form: 45/28

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