Answers

Add 20/56 and 75/45

1^st number: 20/56, 2^nd number: 1 30/45

20/56 + 75/45 is 85/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 45 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   20/56 = 20 × 45/56 × 45 = 900/2520
3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
   75/45 = 75 × 56/45 × 56 = 4200/2520
4. Add the two like fractions:
   900/2520 + 4200/2520 = 900 + 4200/2520 = 5100/2520
5. 5100/2520 simplified gives 85/42
6. So, 20/56 + 75/45 = 85/42
   In mixed form: 21/42

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