Answers

Add 40/56 and 70/42

1^st number: 40/56, 2^nd number: 1 28/42

40/56 + 70/42 is 50/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   40/56 = 40 × 3/56 × 3 = 120/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   70/42 = 70 × 4/42 × 4 = 280/168
4. Add the two like fractions:
   120/168 + 280/168 = 120 + 280/168 = 400/168
5. 400/168 simplified gives 50/21
6. So, 40/56 + 70/42 = 50/21
   In mixed form: 28/21

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