Answers

Add 45/63 and 40/24

1^st number: 45/63, 2^nd number: 1 16/24

45/63 + 40/24 is 50/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 24 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   45/63 = 45 × 8/63 × 8 = 360/504
3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
   40/24 = 40 × 21/24 × 21 = 840/504
4. Add the two like fractions:
   360/504 + 840/504 = 360 + 840/504 = 1200/504
5. 1200/504 simplified gives 50/21
6. So, 45/63 + 40/24 = 50/21
   In mixed form: 28/21

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