Answers

Add 90/63 and 70/5

1^st number: 1 27/63, 2^nd number: 14 0/5

90/63 + 70/5 is 108/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 5 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   90/63 = 90 × 5/63 × 5 = 450/315
3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
   70/5 = 70 × 63/5 × 63 = 4410/315
4. Add the two like fractions:
   450/315 + 4410/315 = 450 + 4410/315 = 4860/315
5. 4860/315 simplified gives 108/7
6. So, 90/63 + 70/5 = 108/7
   In mixed form: 153/7

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