Answers

Add 25/70 and 63/18

1^st number: 25/70, 2^nd number: 3 9/18

25/70 + 63/18 is 27/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 18 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   25/70 = 25 × 9/70 × 9 = 225/630
3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
   63/18 = 63 × 35/18 × 35 = 2205/630
4. Add the two like fractions:
   225/630 + 2205/630 = 225 + 2205/630 = 2430/630
5. 2430/630 simplified gives 27/7
6. So, 25/70 + 63/18 = 27/7
   In mixed form: 36/7

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