Answers

Add 63/20 and 42/56

1^st number: 3 3/20, 2^nd number: 42/56

63/20 + 42/56 is 39/10.

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,
   63/20 = 63 × 14/20 × 14 = 882/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   42/56 = 42 × 5/56 × 5 = 210/280
4. Add the two like fractions:
   882/280 + 210/280 = 882 + 210/280 = 1092/280
5. 1092/280 simplified gives 39/10
6. So, 63/20 + 42/56 = 39/10
   In mixed form: 39/10

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