Answers

Add 25/28 and 20/12

1^st number: 25/28, 2^nd number: 1 8/12

25/28 + 20/12 is 215/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   25/28 = 25 × 3/28 × 3 = 75/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   20/12 = 20 × 7/12 × 7 = 140/84
4. Add the two like fractions:
   75/84 + 140/84 = 75 + 140/84 = 215/84
5. So, 25/28 + 20/12 = 215/84
   In mixed form: 247/84

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