Answers

Add 63/40 and 16/10

1^st number: 1 23/40, 2^nd number: 1 6/10

63/40 + 16/10 is 127/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 10 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 40 × 1 = 40,
   63/40 = 63 × 1/40 × 1 = 63/40
3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
   16/10 = 16 × 4/10 × 4 = 64/40
4. Add the two like fractions:
   63/40 + 64/40 = 63 + 64/40 = 127/40
5. So, 63/40 + 16/10 = 127/40
   In mixed form: 37/40

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