Answers

Add 98/80 and 70/10

1^st number: 1 18/80, 2^nd number: 7 0/10

98/80 + 70/10 is 329/40.

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,
   98/80 = 98 × 1/80 × 1 = 98/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   70/10 = 70 × 8/10 × 8 = 560/80
4. Add the two like fractions:
   98/80 + 560/80 = 98 + 560/80 = 658/80
5. 658/80 simplified gives 329/40
6. So, 98/80 + 70/10 = 329/40
   In mixed form: 89/40

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