Answers

Add 25/18 and 9/21

1^st number: 1 7/18, 2^nd number: 9/21

25/18 + 9/21 is 229/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 21 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   25/18 = 25 × 7/18 × 7 = 175/126
3. Likewise, for the 2nd fraction, since 21 × 6 = 126,
   9/21 = 9 × 6/21 × 6 = 54/126
4. Add the two like fractions:
   175/126 + 54/126 = 175 + 54/126 = 229/126
5. So, 25/18 + 9/21 = 229/126
   In mixed form: 1103/126

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