Answers

Add 15/49 and 63/9

1^st number: 15/49, 2^nd number: 7 0/9

15/49 + 63/9 is 358/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 9 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 49 × 9 = 441,
   15/49 = 15 × 9/49 × 9 = 135/441
3. Likewise, for the 2nd fraction, since 9 × 49 = 441,
   63/9 = 63 × 49/9 × 49 = 3087/441
4. Add the two like fractions:
   135/441 + 3087/441 = 135 + 3087/441 = 3222/441
5. 3222/441 simplified gives 358/49
6. So, 15/49 + 63/9 = 358/49
   In mixed form: 715/49

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