Answers

Add 28/40 and 80/25

1^st number: 28/40, 2^nd number: 3 5/25

28/40 + 80/25 is 39/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 25 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 40 × 5 = 200,
   28/40 = 28 × 5/40 × 5 = 140/200
3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
   80/25 = 80 × 8/25 × 8 = 640/200
4. Add the two like fractions:
   140/200 + 640/200 = 140 + 640/200 = 780/200
5. 780/200 simplified gives 39/10
6. So, 28/40 + 80/25 = 39/10
   In mixed form: 39/10

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