Answers

Add 81/35 and 90/63

1^st number: 2 11/35, 2^nd number: 1 27/63

81/35 + 90/63 is 131/35.

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,
   81/35 = 81 × 9/35 × 9 = 729/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   90/63 = 90 × 5/63 × 5 = 450/315
4. Add the two like fractions:
   729/315 + 450/315 = 729 + 450/315 = 1179/315
5. 1179/315 simplified gives 131/35
6. So, 81/35 + 90/63 = 131/35
   In mixed form: 326/35

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