Answers

Add 28/20 and 40/75

1^st number: 1 8/20, 2^nd number: 40/75

28/20 + 40/75 is 29/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   28/20 = 28 × 15/20 × 15 = 420/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   40/75 = 40 × 4/75 × 4 = 160/300
4. Add the two like fractions:
   420/300 + 160/300 = 420 + 160/300 = 580/300
5. 580/300 simplified gives 29/15
6. So, 28/20 + 40/75 = 29/15
   In mixed form: 114/15

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