Answers

Add 81/75 and 98/63

1^st number: 1 6/75, 2^nd number: 1 35/63

81/75 + 98/63 is 593/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 75 × 21 = 1575,
   81/75 = 81 × 21/75 × 21 = 1701/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   98/63 = 98 × 25/63 × 25 = 2450/1575
4. Add the two like fractions:
   1701/1575 + 2450/1575 = 1701 + 2450/1575 = 4151/1575
5. 4151/1575 simplified gives 593/225
6. So, 81/75 + 98/63 = 593/225
   In mixed form: 2143/225

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