Subtract 70/7 and 66/9

70
7
-
66
9
=
2
2
3

What is 70/7 - 66/9

70
7
-
66
9
=

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

70 x 9
7 x 9
-
66 x 7
9 x 7
=
630
63
-
462
63
=
630 - 462
63
=
168
63

OR

(70 x 9) - (66 x 7)
7 x 9
=
168
63

Simplify the fraction

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

168
63
=
168 ÷ 21
63 ÷ 21
=
8
3

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.

8
3
=
8 ÷ 3 = 2 +
8 - (2 x 3)
3
=
2
2
3

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