Answers

Add 63/80 and 56/40

1^st number: 63/80, 2^nd number: 1 16/40

63/80 + 56/40 is 35/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   63/80 = 63 × 1/80 × 1 = 63/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   56/40 = 56 × 2/40 × 2 = 112/80
4. Add the two like fractions:
   63/80 + 112/80 = 63 + 112/80 = 175/80
5. 175/80 simplified gives 35/16
6. So, 63/80 + 56/40 = 35/16
   In mixed form: 23/16

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