Answers

Add 15/28 and 75/63

1^st number: 15/28, 2^nd number: 1 12/63

15/28 + 75/63 is 145/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 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 63 × 4 = 252,
   75/63 = 75 × 4/63 × 4 = 300/252
4. Add the two like fractions:
   135/252 + 300/252 = 135 + 300/252 = 435/252
5. 435/252 simplified gives 145/84
6. So, 15/28 + 75/63 = 145/84
   In mixed form: 161/84

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