7 _ 5 =
2 When subtracting fraction that have the same
denominators
9 9
9 subtract the numerators and place your answer over
the common
denominator.
Subtracting fractions with different denominators
example:
3 =
9
4
12
_ 1 = _ 4
3
12
____________
5
12 When subtracting fractions
with different denominators find the LCD,
using the same procedure we used in addition. Raise both fractions to
higher terms using the LCD and then subtract the numerators. Place
your answer over the common denominator.