Answers

Add 70/42 and 80/5

1^st number: 1 28/42, 2^nd number: 16 0/5

70/42 + 80/5 is 53/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 5 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
   80/5 = 80 × 42/5 × 42 = 3360/210
4. Add the two like fractions:
   350/210 + 3360/210 = 350 + 3360/210 = 3710/210
5. 3710/210 simplified gives 53/3
6. So, 70/42 + 80/5 = 53/3
   In mixed form: 172/3

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