Answers

Add 70/80 and 84/10

1^st number: 70/80, 2^nd number: 8 4/10

70/80 + 84/10 is 371/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   70/80 = 70 × 1/80 × 1 = 70/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   84/10 = 84 × 8/10 × 8 = 672/80
4. Add the two like fractions:
   70/80 + 672/80 = 70 + 672/80 = 742/80
5. 742/80 simplified gives 371/40
6. So, 70/80 + 84/10 = 371/40
   In mixed form: 911/40

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