Answers

Add 90/60 and 84/16

1^st number: 1 30/60, 2^nd number: 5 4/16

90/60 + 84/16 is 27/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   90/60 = 90 × 4/60 × 4 = 360/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   84/16 = 84 × 15/16 × 15 = 1260/240
4. Add the two like fractions:
   360/240 + 1260/240 = 360 + 1260/240 = 1620/240
5. 1620/240 simplified gives 27/4
6. So, 90/60 + 84/16 = 27/4
   In mixed form: 63/4

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