Answers

Add 80/20 and 63/12

1^st number: 4 0/20, 2^nd number: 5 3/12

80/20 + 63/12 is 37/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   80/20 = 80 × 3/20 × 3 = 240/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   63/12 = 63 × 5/12 × 5 = 315/60
4. Add the two like fractions:
   240/60 + 315/60 = 240 + 315/60 = 555/60
5. 555/60 simplified gives 37/4
6. So, 80/20 + 63/12 = 37/4
   In mixed form: 91/4

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