Answers

Add 54/5 and 90/63

1^st number: 10 4/5, 2^nd number: 1 27/63

54/5 + 90/63 is 428/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 5 × 63 = 315,
   54/5 = 54 × 63/5 × 63 = 3402/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   90/63 = 90 × 5/63 × 5 = 450/315
4. Add the two like fractions:
   3402/315 + 450/315 = 3402 + 450/315 = 3852/315
5. 3852/315 simplified gives 428/35
6. So, 54/5 + 90/63 = 428/35
   In mixed form: 128/35

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