Answers

Add 81/84 and 70/48

1^st number: 81/84, 2^nd number: 1 22/48

81/84 + 70/48 is 407/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 48 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   81/84 = 81 × 4/84 × 4 = 324/336
3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
   70/48 = 70 × 7/48 × 7 = 490/336
4. Add the two like fractions:
   324/336 + 490/336 = 324 + 490/336 = 814/336
5. 814/336 simplified gives 407/168
6. So, 81/84 + 70/48 = 407/168
   In mixed form: 271/168

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