Answers

Add 90/16 and 60/28

1^st number: 5 10/16, 2^nd number: 2 4/28

90/16 + 60/28 is 435/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 28 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 16 × 7 = 112,
   90/16 = 90 × 7/16 × 7 = 630/112
3. Likewise, for the 2nd fraction, since 28 × 4 = 112,
   60/28 = 60 × 4/28 × 4 = 240/112
4. Add the two like fractions:
   630/112 + 240/112 = 630 + 240/112 = 870/112
5. 870/112 simplified gives 435/56
6. So, 90/16 + 60/28 = 435/56
   In mixed form: 743/56

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