Answers

Add 98/21 and 90/4

1^st number: 4 14/21, 2^nd number: 22 2/4

98/21 + 90/4 is 163/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 4 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 4 × 21 = 84,
   90/4 = 90 × 21/4 × 21 = 1890/84
4. Add the two like fractions:
   392/84 + 1890/84 = 392 + 1890/84 = 2282/84
5. 2282/84 simplified gives 163/6
6. So, 98/21 + 90/4 = 163/6
   In mixed form: 271/6

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