Answers

Add 18/10 and 75/20

1^st number: 1 8/10, 2^nd number: 3 15/20

18/10 + 75/20 is 111/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   18/10 = 18 × 2/10 × 2 = 36/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   75/20 = 75 × 1/20 × 1 = 75/20
4. Add the two like fractions:
   36/20 + 75/20 = 36 + 75/20 = 111/20
5. So, 18/10 + 75/20 = 111/20
   In mixed form: 511/20

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