Subtract 78/16 and 27/21

78
16
-
27
21
=
3
33
56

What is 78/16 - 27/21

78
16
-
27
21
=

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

78 x 21
16 x 21
-
27 x 16
21 x 16
=
1638
336
-
432
336
=
1638 - 432
336
=
1206
336

OR

(78 x 21) - (27 x 16)
16 x 21
=
1206
336

Simplify the fraction

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

1206
336
=
1206 ÷ 6
336 ÷ 6
=
201
56

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.

201
56
=
201 ÷ 56 = 3 +
201 - (3 x 56)
56
=
3
33
56

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