Answers

Add 40/90 and 81/10

1^st number: 40/90, 2^nd number: 8 1/10

40/90 + 81/10 is 769/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   40/90 = 40 × 1/90 × 1 = 40/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   81/10 = 81 × 9/10 × 9 = 729/90
4. Add the two like fractions:
   40/90 + 729/90 = 40 + 729/90 = 769/90
5. So, 40/90 + 81/10 = 769/90
   In mixed form: 849/90

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