Answers

Add 63/40 and 20/49

1^st number: 1 23/40, 2^nd number: 20/49

63/40 + 20/49 is 3887/1960.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 49 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   63/40 = 63 × 49/40 × 49 = 3087/1960
3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
   20/49 = 20 × 40/49 × 40 = 800/1960
4. Add the two like fractions:
   3087/1960 + 800/1960 = 3087 + 800/1960 = 3887/1960
5. So, 63/40 + 20/49 = 3887/1960
   In mixed form: 11927/1960

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