Answers

Add 90/80 and 40/75

1^st number: 1 10/80, 2^nd number: 40/75

90/80 + 40/75 is 199/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 75 is 1200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1200
2. For the 1st fraction, since 80 × 15 = 1200,
   90/80 = 90 × 15/80 × 15 = 1350/1200
3. Likewise, for the 2nd fraction, since 75 × 16 = 1200,
   40/75 = 40 × 16/75 × 16 = 640/1200
4. Add the two like fractions:
   1350/1200 + 640/1200 = 1350 + 640/1200 = 1990/1200
5. 1990/1200 simplified gives 199/120
6. So, 90/80 + 40/75 = 199/120
   In mixed form: 179/120

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