Answers

Add 90/35 and 70/63

1^st number: 2 20/35, 2^nd number: 1 7/63

90/35 + 70/63 is 232/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 35 × 9 = 315,
   90/35 = 90 × 9/35 × 9 = 810/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   70/63 = 70 × 5/63 × 5 = 350/315
4. Add the two like fractions:
   810/315 + 350/315 = 810 + 350/315 = 1160/315
5. 1160/315 simplified gives 232/63
6. So, 90/35 + 70/63 = 232/63
   In mixed form: 343/63

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