Answers

Add 42/5 and 63/80

1^st number: 8 2/5, 2^nd number: 63/80

42/5 + 63/80 is 147/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   42/5 = 42 × 16/5 × 16 = 672/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   63/80 = 63 × 1/80 × 1 = 63/80
4. Add the two like fractions:
   672/80 + 63/80 = 672 + 63/80 = 735/80
5. 735/80 simplified gives 147/16
6. So, 42/5 + 63/80 = 147/16
   In mixed form: 93/16

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