Answers

Add 49/84 and 42/9

1^st number: 49/84, 2^nd number: 4 6/9

49/84 + 42/9 is 21/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 9 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   49/84 = 49 × 3/84 × 3 = 147/252
3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
   42/9 = 42 × 28/9 × 28 = 1176/252
4. Add the two like fractions:
   147/252 + 1176/252 = 147 + 1176/252 = 1323/252
5. 1323/252 simplified gives 21/4
6. So, 49/84 + 42/9 = 21/4
   In mixed form: 51/4

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