Answers

Add 70/98 and 90/21

1^st number: 70/98, 2^nd number: 4 6/21

70/98 + 90/21 is 5/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 21 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 98 × 3 = 294,
   70/98 = 70 × 3/98 × 3 = 210/294
3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
   90/21 = 90 × 14/21 × 14 = 1260/294
4. Add the two like fractions:
   210/294 + 1260/294 = 210 + 1260/294 = 1470/294
5. 1470/294 simplified gives 5/1
6. So, 70/98 + 90/21 = 5/1

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