Answers

Add 90/9 and 21/49

1^st number: 10 0/9, 2^nd number: 21/49

90/9 + 21/49 is 73/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 49 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 9 × 49 = 441,
   90/9 = 90 × 49/9 × 49 = 4410/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   21/49 = 21 × 9/49 × 9 = 189/441
4. Add the two like fractions:
   4410/441 + 189/441 = 4410 + 189/441 = 4599/441
5. 4599/441 simplified gives 73/7
6. So, 90/9 + 21/49 = 73/7
   In mixed form: 103/7

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