Answers

Add 27/28 and 12/7

1^st number: 27/28, 2^nd number: 1 5/7

27/28 + 12/7 is 75/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 28 × 1 = 28,
   27/28 = 27 × 1/28 × 1 = 27/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   12/7 = 12 × 4/7 × 4 = 48/28
4. Add the two like fractions:
   27/28 + 48/28 = 27 + 48/28 = 75/28
5. So, 27/28 + 12/7 = 75/28
   In mixed form: 219/28

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