Answers

Add 80/30 and 63/80

1^st number: 2 20/30, 2^nd number: 63/80

80/30 + 63/80 is 829/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 30 × 8 = 240,
   80/30 = 80 × 8/30 × 8 = 640/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   63/80 = 63 × 3/80 × 3 = 189/240
4. Add the two like fractions:
   640/240 + 189/240 = 640 + 189/240 = 829/240
5. So, 80/30 + 63/80 = 829/240
   In mixed form: 3109/240

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