Answers

Add 96/21 and 49/70

1^st number: 4 12/21, 2^nd number: 49/70

96/21 + 49/70 is 369/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   96/21 = 96 × 10/21 × 10 = 960/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   49/70 = 49 × 3/70 × 3 = 147/210
4. Add the two like fractions:
   960/210 + 147/210 = 960 + 147/210 = 1107/210
5. 1107/210 simplified gives 369/70
6. So, 96/21 + 49/70 = 369/70
   In mixed form: 519/70

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