Answers

Add 72/32 and 42/80

1^st number: 2 8/32, 2^nd number: 42/80

72/32 + 42/80 is 111/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 80 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   72/32 = 72 × 5/32 × 5 = 360/160
3. Likewise, for the 2nd fraction, since 80 × 2 = 160,
   42/80 = 42 × 2/80 × 2 = 84/160
4. Add the two like fractions:
   360/160 + 84/160 = 360 + 84/160 = 444/160
5. 444/160 simplified gives 111/40
6. So, 72/32 + 42/80 = 111/40
   In mixed form: 231/40

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