Answers

Add 80/20 and 63/16

1^st number: 4 0/20, 2^nd number: 3 15/16

80/20 + 63/16 is 127/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   80/20 = 80 × 4/20 × 4 = 320/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   63/16 = 63 × 5/16 × 5 = 315/80
4. Add the two like fractions:
   320/80 + 315/80 = 320 + 315/80 = 635/80
5. 635/80 simplified gives 127/16
6. So, 80/20 + 63/16 = 127/16
   In mixed form: 715/16

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