Answers

Add 80/6 and 63/90

1^st number: 13 2/6, 2^nd number: 63/90

80/6 + 63/90 is 421/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 6 × 15 = 90,
   80/6 = 80 × 15/6 × 15 = 1200/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   63/90 = 63 × 1/90 × 1 = 63/90
4. Add the two like fractions:
   1200/90 + 63/90 = 1200 + 63/90 = 1263/90
5. 1263/90 simplified gives 421/30
6. So, 80/6 + 63/90 = 421/30
   In mixed form: 141/30

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