Answers

Add 10/75 and 45/20

1^st number: 10/75, 2^nd number: 2 5/20

10/75 + 45/20 is 143/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   10/75 = 10 × 4/75 × 4 = 40/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   45/20 = 45 × 15/20 × 15 = 675/300
4. Add the two like fractions:
   40/300 + 675/300 = 40 + 675/300 = 715/300
5. 715/300 simplified gives 143/60
6. So, 10/75 + 45/20 = 143/60
   In mixed form: 223/60

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