Answers

Add 60/7 and 54/80

1^st number: 8 4/7, 2^nd number: 54/80

60/7 + 54/80 is 2589/280.

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,
   60/7 = 60 × 80/7 × 80 = 4800/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   54/80 = 54 × 7/80 × 7 = 378/560
4. Add the two like fractions:
   4800/560 + 378/560 = 4800 + 378/560 = 5178/560
5. 5178/560 simplified gives 2589/280
6. So, 60/7 + 54/80 = 2589/280
   In mixed form: 969/280

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