Answers

Add 90/24 and 75/63

1^st number: 3 18/24, 2^nd number: 1 12/63

90/24 + 75/63 is 415/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 24 × 21 = 504,
   90/24 = 90 × 21/24 × 21 = 1890/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   75/63 = 75 × 8/63 × 8 = 600/504
4. Add the two like fractions:
   1890/504 + 600/504 = 1890 + 600/504 = 2490/504
5. 2490/504 simplified gives 415/84
6. So, 90/24 + 75/63 = 415/84
   In mixed form: 479/84

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