Answers

Add 16/81 and 45/49

16/81 + 45/49 is 4429/3969.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 49 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 81 × 49 = 3969,
   16/81 = 16 × 49/81 × 49 = 784/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   45/49 = 45 × 81/49 × 81 = 3645/3969
4. Add the two like fractions:
   784/3969 + 3645/3969 = 784 + 3645/3969 = 4429/3969
5. So, 16/81 + 45/49 = 4429/3969
   In mixed form: 1460/3969

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