Subtract 1/2 and 75/20

1
2
-
75
20
=
-3
1
4

What is 1/2 - 75/20

1
2
-
75
20
=

In order to make fractions have the same denominator, multiply the numerator and denominator of each fraction by the denominator of the other

1 x 20
2 x 20
-
75 x 2
20 x 2
=
20
40
-
150
40
=
20 - 150
40
=
-130
40

OR

(1 x 20) - (75 x 2)
2 x 20
=
-130
40

Simplify the fraction

Divide each part of the fraction with the greatest common factor to simplify the fraction

-130
40
=
-130 ÷ 10
40 ÷ 10
=
-
13
4

Because the numerator greater than the denominator, so we have an improper fraction, which means we can simplify it by converting the improper fraction to a mixed number.

Improper fraction to mixed number, get the whole number by dividing the numerator with the denominator, then subtract the numerator by the whole number multiplied by the denominator.

-
13
4
=
13 ÷ 4 = 3 +
13 - (3 x 4)
4
=
-3
1
4

Fraction Calculator

📌 Negative signs in fractions

Positive Fractions

-1
-2
=
-
1
-2
=
-
-1
2
=
1
2

Negative Fractions

-1
2
=
1
-2
=
-
-1
-2
=
-
1
2