Question

1.7/18-1/45=??? 2.13.25+0,39=

Answer 1

7/18 - 1/45= 35-2/90 = 33/90=11/30
13/25 + 0.39= 0.52 + 0.39= 0.91

Answer 2

1. To solve the equation 1.7/18-1/45, we need to find a common denominator. The smallest common denominator is 90.

1.7/18 = 9.45/90 (multiply the numerator and denominator by 5) 1/45 = 2/90 (multiply the numerator and denominator by 2)

Now we can rewrite the equation as:

9.45/90 - 2/90

Combining the two fractions gives:

7.45/90

This fraction cannot be simplified any further, so the final answer is:

7.45/90

2. To solve the equation 13.25 + 0.39, we can simply add the two numbers:

13.25

• 0.39

---

13.64

Therefore, the answer is:

13.64