Answers

Add 90/80 and 84/16

1^st number: 1 10/80, 2^nd number: 5 4/16

90/80 + 84/16 is 51/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   90/80 = 90 × 1/80 × 1 = 90/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   84/16 = 84 × 5/16 × 5 = 420/80
4. Add the two like fractions:
   90/80 + 420/80 = 90 + 420/80 = 510/80
5. 510/80 simplified gives 51/8
6. So, 90/80 + 84/16 = 51/8
   In mixed form: 63/8

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