Answers

Add 63/7 and 84/80

1^st number: 9 0/7, 2^nd number: 1 4/80

63/7 + 84/80 is 201/20.

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,
   63/7 = 63 × 80/7 × 80 = 5040/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   84/80 = 84 × 7/80 × 7 = 588/560
4. Add the two like fractions:
   5040/560 + 588/560 = 5040 + 588/560 = 5628/560
5. 5628/560 simplified gives 201/20
6. So, 63/7 + 84/80 = 201/20
   In mixed form: 101/20

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