Subtract 68/42 and 99/55

68
42
-
99
55
=
-19
105

What is 68/42 - 99/55

68
42
-
99
55
=

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

68 x 55
42 x 55
-
99 x 42
55 x 42
=
3740
2310
-
4158
2310
=
3740 - 4158
2310
=
-418
2310

OR

(68 x 55) - (99 x 42)
42 x 55
=
-418
2310

Simplify the fraction

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

-418
2310
=
-418 ÷ 22
2310 ÷ 22
=
-
19
105

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