Answers

Add 12/63 and 40/20

1^st number: 12/63, 2^nd number: 2 0/20

12/63 + 40/20 is 46/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   12/63 = 12 × 20/63 × 20 = 240/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   40/20 = 40 × 63/20 × 63 = 2520/1260
4. Add the two like fractions:
   240/1260 + 2520/1260 = 240 + 2520/1260 = 2760/1260
5. 2760/1260 simplified gives 46/21
6. So, 12/63 + 40/20 = 46/21
   In mixed form: 24/21

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