Common denominators and comparing fractions
Answers are for parents and teachers.
1
Compare 4/9 and 3/7.
4/9 > 3/7, because 28/63 > 27/63.
2
Bring 5/6 and 7/15 to a common denominator.
25/30 va 14/30
3
Write 3/4, 5/8, 7/12 in increasing order.
7/12, 5/8, 3/4
4
Write a fraction that lies between 1/2 and 2/3.
For example 7/12: 6/12 < 7/12 < 8/12.
5
Of two ribbons 5/6 m and 7/9 m long, which is longer?
The 5/6 m ribbon (15/18 > 14/18).