Answers

Add 90/10 and 84/45

1^st number: 9 0/10, 2^nd number: 1 39/45

90/10 + 84/45 is 163/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   90/10 = 90 × 9/10 × 9 = 810/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   84/45 = 84 × 2/45 × 2 = 168/90
4. Add the two like fractions:
   810/90 + 168/90 = 810 + 168/90 = 978/90
5. 978/90 simplified gives 163/15
6. So, 90/10 + 84/45 = 163/15
   In mixed form: 1013/15

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