Answers

Add 90/70 and 10/98

1^st number: 1 20/70, 2^nd number: 10/98

90/70 + 10/98 is 68/49.

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,
   90/70 = 90 × 7/70 × 7 = 630/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   10/98 = 10 × 5/98 × 5 = 50/490
4. Add the two like fractions:
   630/490 + 50/490 = 630 + 50/490 = 680/490
5. 680/490 simplified gives 68/49
6. So, 90/70 + 10/98 = 68/49
   In mixed form: 119/49

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