Answers

Add 15/42 and 90/56

1^st number: 15/42, 2^nd number: 1 34/56

15/42 + 90/56 is 55/28.

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,
   15/42 = 15 × 4/42 × 4 = 60/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   90/56 = 90 × 3/56 × 3 = 270/168
4. Add the two like fractions:
   60/168 + 270/168 = 60 + 270/168 = 330/168
5. 330/168 simplified gives 55/28
6. So, 15/42 + 90/56 = 55/28
   In mixed form: 127/28

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