Answers

Add 90/50 and 45/40

1^st number: 1 40/50, 2^nd number: 1 5/40

90/50 + 45/40 is 117/40.

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,
   45/40 = 45 × 5/40 × 5 = 225/200
4. Add the two like fractions:
   360/200 + 225/200 = 360 + 225/200 = 585/200
5. 585/200 simplified gives 117/40
6. So, 90/50 + 45/40 = 117/40
   In mixed form: 237/40

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