Answers

Add 90/7 and 50/80

1^st number: 12 6/7, 2^nd number: 50/80

90/7 + 50/80 is 755/56.

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,
   90/7 = 90 × 80/7 × 80 = 7200/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   50/80 = 50 × 7/80 × 7 = 350/560
4. Add the two like fractions:
   7200/560 + 350/560 = 7200 + 350/560 = 7550/560
5. 7550/560 simplified gives 755/56
6. So, 90/7 + 50/80 = 755/56
   In mixed form: 1327/56

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