Answers

Add 80/98 and 90/70

1^st number: 80/98, 2^nd number: 1 20/70

80/98 + 90/70 is 103/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   80/98 = 80 × 5/98 × 5 = 400/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   90/70 = 90 × 7/70 × 7 = 630/490
4. Add the two like fractions:
   400/490 + 630/490 = 400 + 630/490 = 1030/490
5. 1030/490 simplified gives 103/49
6. So, 80/98 + 90/70 = 103/49
   In mixed form: 25/49

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