Answers

Add 49/63 and 21/49

49/63 + 21/49 is 76/63.

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,
   49/63 = 49 × 7/63 × 7 = 343/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   21/49 = 21 × 9/49 × 9 = 189/441
4. Add the two like fractions:
   343/441 + 189/441 = 343 + 189/441 = 532/441
5. 532/441 simplified gives 76/63
6. So, 49/63 + 21/49 = 76/63
   In mixed form: 113/63

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