Answers

Add 81/35 and 90/45

1^st number: 2 11/35, 2^nd number: 2 0/45

81/35 + 90/45 is 151/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 45 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 45 × 7 = 315,
   90/45 = 90 × 7/45 × 7 = 630/315
4. Add the two like fractions:
   729/315 + 630/315 = 729 + 630/315 = 1359/315
5. 1359/315 simplified gives 151/35
6. So, 81/35 + 90/45 = 151/35
   In mixed form: 411/35

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