Answers

Add 98/21 and 40/12

1^st number: 4 14/21, 2^nd number: 3 4/12

98/21 + 40/12 is 8/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   98/21 = 98 × 4/21 × 4 = 392/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   40/12 = 40 × 7/12 × 7 = 280/84
4. Add the two like fractions:
   392/84 + 280/84 = 392 + 280/84 = 672/84
5. 672/84 simplified gives 8/1
6. So, 98/21 + 40/12 = 8/1

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