Answers

Add 7/63 and 72/49

1^st number: 7/63, 2^nd number: 1 23/49

7/63 + 72/49 is 697/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 49 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 63 × 7 = 441,
   7/63 = 7 × 7/63 × 7 = 49/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   72/49 = 72 × 9/49 × 9 = 648/441
4. Add the two like fractions:
   49/441 + 648/441 = 49 + 648/441 = 697/441
5. So, 7/63 + 72/49 = 697/441
   In mixed form: 1256/441

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