Answers

Add 64/45 and 81/10

1^st number: 1 19/45, 2^nd number: 8 1/10

64/45 + 81/10 is 857/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 10 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   64/45 = 64 × 2/45 × 2 = 128/90
3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
   81/10 = 81 × 9/10 × 9 = 729/90
4. Add the two like fractions:
   128/90 + 729/90 = 128 + 729/90 = 857/90
5. So, 64/45 + 81/10 = 857/90
   In mixed form: 947/90

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