15/7 - 22/7 = ? Subtracting Common (Ordinary) Fractions, Online Calculator. Subtraction Operation Explained Step by Step
Fractions' subtraction: 15/7 - 22/7 = ?
Perform the operation of calculating the fractions
All the fractions have equal denominators (the same denominator):
- This is the simplest and happiest case when we add or subtract fractions.
- We work only with their numerators and keep the common denominator.
15/7 - 22/7 =
(15 - 22)/7 =
- 7/7
Reduce (simplify) the fraction to its lowest terms equivalent:
- 7/7 =
- (7 ÷ 7)/(7 ÷ 7) =
- 1/1 =
- 1
Internal link » Reduce (simplify) common (ordinary) fractions to the lowest terms (to their simplest form equivalent), online calculator
Rewrite the equivalent simplified operation:
- 7/7 =
- 1
Rewrite the result
As a negative improper fraction:
(the denominator = 1)
An improper fraction: the value of the numerator is larger than or equal to the value of the denominator.
- 1 = - 1/1
As a percentage:
- A percentage value p% is equal to the fraction: p/100, for any decimal number p. So, we need to change the form of the number calculated above, to show a denominator of 100.
- To do that, multiply the number by the fraction 100/100.
- The value of the fraction 100/100 = 1, so by multiplying the number by this fraction the result is not changing, only the form.