Answers

Add 90/60 and 75/16

1^st number: 1 30/60, 2^nd number: 4 11/16

90/60 + 75/16 is 99/16.

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,
   75/16 = 75 × 15/16 × 15 = 1125/240
4. Add the two like fractions:
   360/240 + 1125/240 = 360 + 1125/240 = 1485/240
5. 1485/240 simplified gives 99/16
6. So, 90/60 + 75/16 = 99/16
   In mixed form: 63/16

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