Answers

Add 24/63 and 30/70

24/63 + 30/70 is 17/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   24/63 = 24 × 10/63 × 10 = 240/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   30/70 = 30 × 9/70 × 9 = 270/630
4. Add the two like fractions:
   240/630 + 270/630 = 240 + 270/630 = 510/630
5. 510/630 simplified gives 17/21
6. So, 24/63 + 30/70 = 17/21

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