Answers

Add 98/35 and 21/45

1^st number: 2 28/35, 2^nd number: 21/45

98/35 + 21/45 is 49/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 35 × 9 = 315,
   98/35 = 98 × 9/35 × 9 = 882/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   21/45 = 21 × 7/45 × 7 = 147/315
4. Add the two like fractions:
   882/315 + 147/315 = 882 + 147/315 = 1029/315
5. 1029/315 simplified gives 49/15
6. So, 98/35 + 21/45 = 49/15
   In mixed form: 34/15

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