Answers

Add 30/63 and 3/30

30/63 + 3/30 is 121/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   30/63 = 30 × 10/63 × 10 = 300/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   3/30 = 3 × 21/30 × 21 = 63/630
4. Add the two like fractions:
   300/630 + 63/630 = 300 + 63/630 = 363/630
5. 363/630 simplified gives 121/210
6. So, 30/63 + 3/30 = 121/210

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