Answers

Add 24/20 and 21/63

1^st number: 1 4/20, 2^nd number: 21/63

24/20 + 21/63 is 23/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   24/20 = 24 × 63/20 × 63 = 1512/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   21/63 = 21 × 20/63 × 20 = 420/1260
4. Add the two like fractions:
   1512/1260 + 420/1260 = 1512 + 420/1260 = 1932/1260
5. 1932/1260 simplified gives 23/15
6. So, 24/20 + 21/63 = 23/15
   In mixed form: 18/15

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