Answers

Add 90/80 and 40/50

1^st number: 1 10/80, 2^nd number: 40/50

90/80 + 40/50 is 77/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 50 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   90/80 = 90 × 5/80 × 5 = 450/400
3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
   40/50 = 40 × 8/50 × 8 = 320/400
4. Add the two like fractions:
   450/400 + 320/400 = 450 + 320/400 = 770/400
5. 770/400 simplified gives 77/40
6. So, 90/80 + 40/50 = 77/40
   In mixed form: 137/40

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