Answers

Add 75/63 and 21/18

1^st number: 1 12/63, 2^nd number: 1 3/18

75/63 + 21/18 is 33/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   75/63 = 75 × 2/63 × 2 = 150/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   21/18 = 21 × 7/18 × 7 = 147/126
4. Add the two like fractions:
   150/126 + 147/126 = 150 + 147/126 = 297/126
5. 297/126 simplified gives 33/14
6. So, 75/63 + 21/18 = 33/14
   In mixed form: 25/14

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