Answers

Add 8/7 and 7/80

1^st number: 1 1/7, 2^nd number: 7/80

8/7 + 7/80 is 689/560.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 7 × 80 = 560,
   8/7 = 8 × 80/7 × 80 = 640/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   7/80 = 7 × 7/80 × 7 = 49/560
4. Add the two like fractions:
   640/560 + 49/560 = 640 + 49/560 = 689/560
5. So, 8/7 + 7/80 = 689/560
   In mixed form: 1129/560

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