Answers

Add 80/40 and 42/50

1^st number: 2 0/40, 2^nd number: 42/50

80/40 + 42/50 is 71/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 50 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   80/40 = 80 × 5/40 × 5 = 400/200
3. Likewise, for the 2nd fraction, since 50 × 4 = 200,
   42/50 = 42 × 4/50 × 4 = 168/200
4. Add the two like fractions:
   400/200 + 168/200 = 400 + 168/200 = 568/200
5. 568/200 simplified gives 71/25
6. So, 80/40 + 42/50 = 71/25
   In mixed form: 221/25

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