Answers

Add 20/98 and 75/72

1^st number: 20/98, 2^nd number: 1 3/72

20/98 + 75/72 is 1465/1176.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 72 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 98 × 36 = 3528,
   20/98 = 20 × 36/98 × 36 = 720/3528
3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
   75/72 = 75 × 49/72 × 49 = 3675/3528
4. Add the two like fractions:
   720/3528 + 3675/3528 = 720 + 3675/3528 = 4395/3528
5. 4395/3528 simplified gives 1465/1176
6. So, 20/98 + 75/72 = 1465/1176
   In mixed form: 1289/1176

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