Answers

Add 90/56 and 21/12

1^st number: 1 34/56, 2^nd number: 1 9/12

90/56 + 21/12 is 47/14.

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,
   90/56 = 90 × 3/56 × 3 = 270/168
3. Likewise, for the 2nd fraction, since 12 × 14 = 168,
   21/12 = 21 × 14/12 × 14 = 294/168
4. Add the two like fractions:
   270/168 + 294/168 = 270 + 294/168 = 564/168
5. 564/168 simplified gives 47/14
6. So, 90/56 + 21/12 = 47/14
   In mixed form: 35/14

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