Answers

Add 1/21 and 25/18

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

1/21 + 25/18 is 181/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   1/21 = 1 × 6/21 × 6 = 6/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   25/18 = 25 × 7/18 × 7 = 175/126
4. Add the two like fractions:
   6/126 + 175/126 = 6 + 175/126 = 181/126
5. So, 1/21 + 25/18 = 181/126
   In mixed form: 155/126

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