Answers

Add 45/20 and 63/56

1^st number: 2 5/20, 2^nd number: 1 7/56

45/20 + 63/56 is 27/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   45/20 = 45 × 14/20 × 14 = 630/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
4. Add the two like fractions:
   630/280 + 315/280 = 630 + 315/280 = 945/280
5. 945/280 simplified gives 27/8
6. So, 45/20 + 63/56 = 27/8
   In mixed form: 33/8

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