Answers

Add 4/18 and 63/20

1^st number: 4/18, 2^nd number: 3 3/20

4/18 + 63/20 is 607/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 20 is 180
2. For the 1st fraction, since 18 × 10 = 180,
   4/18 = 4 × 10/18 × 10 = 40/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   63/20 = 63 × 9/20 × 9 = 567/180
4. Add the two fractions:
   40/180 + 567/180 = 40 + 567/180 = 607/180
5. So, 4/18 + 63/20 = 607/180
   In mixed form: 367/180

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