Answers

Add 15/28 and 20/18

1^st number: 15/28, 2^nd number: 1 2/18

15/28 + 20/18 is 415/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 18 is 252
2. For the 1st fraction, since 28 × 9 = 252,
   15/28 = 15 × 9/28 × 9 = 135/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   20/18 = 20 × 14/18 × 14 = 280/252
4. Add the two fractions:
   135/252 + 280/252 = 135 + 280/252 = 415/252
5. In mixed form: 1163/252

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