Answers

Add 54/75 and 84/63

1^st number: 54/75, 2^nd number: 1 21/63

54/75 + 84/63 is 154/75.

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,
   54/75 = 54 × 21/75 × 21 = 1134/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   84/63 = 84 × 25/63 × 25 = 2100/1575
4. Add the two like fractions:
   1134/1575 + 2100/1575 = 1134 + 2100/1575 = 3234/1575
5. 3234/1575 simplified gives 154/75
6. So, 54/75 + 84/63 = 154/75
   In mixed form: 24/75

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