Answers

Add 90/50 and 81/40

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

90/50 + 81/40 is 153/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 40 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 50 × 4 = 200,
   90/50 = 90 × 4/50 × 4 = 360/200
3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
   81/40 = 81 × 5/40 × 5 = 405/200
4. Add the two like fractions:
   360/200 + 405/200 = 360 + 405/200 = 765/200
5. 765/200 simplified gives 153/40
6. So, 90/50 + 81/40 = 153/40
   In mixed form: 333/40

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