Answers

Add 42/80 and 56/5

1^st number: 42/80, 2^nd number: 11 1/5

42/80 + 56/5 is 469/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 5 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   42/80 = 42 × 1/80 × 1 = 42/80
3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
   56/5 = 56 × 16/5 × 16 = 896/80
4. Add the two like fractions:
   42/80 + 896/80 = 42 + 896/80 = 938/80
5. 938/80 simplified gives 469/40
6. So, 42/80 + 56/5 = 469/40
   In mixed form: 1129/40

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