Answers

Add 90/42 and 70/56

1^st number: 2 6/42, 2^nd number: 1 14/56

90/42 + 70/56 is 95/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   90/42 = 90 × 4/42 × 4 = 360/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   70/56 = 70 × 3/56 × 3 = 210/168
4. Add the two like fractions:
   360/168 + 210/168 = 360 + 210/168 = 570/168
5. 570/168 simplified gives 95/28
6. So, 90/42 + 70/56 = 95/28
   In mixed form: 311/28

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