Answers

Add 42/40 and 35/80

1^st number: 1 2/40, 2^nd number: 35/80

42/40 + 35/80 is 119/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   42/40 = 42 × 2/40 × 2 = 84/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   35/80 = 35 × 1/80 × 1 = 35/80
4. Add the two like fractions:
   84/80 + 35/80 = 84 + 35/80 = 119/80
5. So, 42/40 + 35/80 = 119/80
   In mixed form: 139/80

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