Simplify -1/2+(-1/5)

Simplify -1/2+(-1/5)
Remove parentheses.
To write as a fraction with a common denominator, multiply by .
To write as a fraction with a common denominator, multiply by .
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Multiply and .
Multiply by .
Multiply and .
Multiply by .
Combine the numerators over the common denominator.
Subtract from .
Move the negative in front of the fraction.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name one billion six hundred twenty-two million four hundred seventeen thousand twenty-nine

Interesting facts

  • 1622417029 has 8 divisors, whose sum is 1627395840
  • The reverse of 1622417029 is 9207142261
  • Previous prime number is 719

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 34
  • Digital Root 7

Name

Name four hundred seventy-five million two hundred seventy-eight thousand ninety-eight

Interesting facts

  • 475278098 has 8 divisors, whose sum is 732185292
  • The reverse of 475278098 is 890872574
  • Previous prime number is 37

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 50
  • Digital Root 5

Name

Name sixty-two million nine hundred eighty-six thousand six hundred fifty-nine

Interesting facts

  • 62986659 has 8 divisors, whose sum is 63520512
  • The reverse of 62986659 is 95668926
  • Previous prime number is 263

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 8
  • Sum of Digits 51
  • Digital Root 6