Answers

Add 98/63 and 21/45

1^st number: 1 35/63, 2^nd number: 21/45

98/63 + 21/45 is 91/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   98/63 = 98 × 5/63 × 5 = 490/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   21/45 = 21 × 7/45 × 7 = 147/315
4. Add the two like fractions:
   490/315 + 147/315 = 490 + 147/315 = 637/315
5. 637/315 simplified gives 91/45
6. So, 98/63 + 21/45 = 91/45
   In mixed form: 21/45

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