Answers

Add 28/63 and 24/20

1^st number: 28/63, 2^nd number: 1 4/20

28/63 + 24/20 is 74/45.

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,
   28/63 = 28 × 20/63 × 20 = 560/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   24/20 = 24 × 63/20 × 63 = 1512/1260
4. Add the two like fractions:
   560/1260 + 1512/1260 = 560 + 1512/1260 = 2072/1260
5. 2072/1260 simplified gives 74/45
6. So, 28/63 + 24/20 = 74/45
   In mixed form: 129/45

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