Answers

Add 80/70 and 30/98

1^st number: 1 10/70, 2^nd number: 30/98

80/70 + 30/98 is 71/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 70 × 7 = 490,
   80/70 = 80 × 7/70 × 7 = 560/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   30/98 = 30 × 5/98 × 5 = 150/490
4. Add the two like fractions:
   560/490 + 150/490 = 560 + 150/490 = 710/490
5. 710/490 simplified gives 71/49
6. So, 80/70 + 30/98 = 71/49
   In mixed form: 122/49

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