Answers

Add 28/98 and 72/45

1^st number: 28/98, 2^nd number: 1 27/45

28/98 + 72/45 is 66/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 45 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 98 × 45 = 4410,
   28/98 = 28 × 45/98 × 45 = 1260/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   72/45 = 72 × 98/45 × 98 = 7056/4410
4. Add the two like fractions:
   1260/4410 + 7056/4410 = 1260 + 7056/4410 = 8316/4410
5. 8316/4410 simplified gives 66/35
6. So, 28/98 + 72/45 = 66/35
   In mixed form: 131/35

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