Answers

Add 70/14 and 45/80

1^st number: 5 0/14, 2^nd number: 45/80

70/14 + 45/80 is 89/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 14 × 40 = 560,
   70/14 = 70 × 40/14 × 40 = 2800/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   45/80 = 45 × 7/80 × 7 = 315/560
4. Add the two like fractions:
   2800/560 + 315/560 = 2800 + 315/560 = 3115/560
5. 3115/560 simplified gives 89/16
6. So, 70/14 + 45/80 = 89/16
   In mixed form: 59/16

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