Answers

Add 90/60 and 16/80

1^st number: 1 30/60, 2^nd number: 16/80

90/60 + 16/80 is 17/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 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 80 × 3 = 240,
   16/80 = 16 × 3/80 × 3 = 48/240
4. Add the two like fractions:
   360/240 + 48/240 = 360 + 48/240 = 408/240
5. 408/240 simplified gives 17/10
6. So, 90/60 + 16/80 = 17/10
   In mixed form: 17/10

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