Answers

Add 5/98 and 72/10

1^st number: 5/98, 2^nd number: 7 2/10

5/98 + 72/10 is 3553/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 10 is 490
2. For the 1st fraction, since 98 × 5 = 490,
   5/98 = 5 × 5/98 × 5 = 25/490
3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
   72/10 = 72 × 49/10 × 49 = 3528/490
4. Add the two fractions:
   25/490 + 3528/490 = 25 + 3528/490 = 3553/490
5. So, 5/98 + 72/10 = 3553/490
   In mixed form: 7123/490

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