Real Life Math (Page 86)
There will be 11⁄20 of a barrel of fuel left by noon.
Subtract the fractions. (Pages 88 - 89)
3⁄4 x 3⁄7 = 9⁄28
8⁄9 x 1⁄7 = 8⁄63
3⁄5 x 5⁄6 = 1⁄2
4⁄5 x 1⁄9 = 4⁄25
5⁄8 x 1⁄2 = 5⁄16
7⁄8 x 1⁄2 = 7⁄16
3⁄5 x 4⁄9 = 4⁄15
2⁄7 x 1⁄2 = 1⁄7
3⁄5 x 4⁄5 = 12⁄25
1⁄3 x 3⁄4 = 1⁄4
1⁄2 x 4⁄9 = 2⁄9
1⁄2 x 5⁄9 = 5⁄18
4⁄5 x 7⁄8 = 7⁄10
1⁄2 x 1⁄6 = 1⁄12
1⁄2 x 3⁄10 = 3⁄20
9⁄10 x 4⁄5 = 18⁄25
2⁄3 x 3⁄10 = 2⁄7
1⁄5 x 2⁄3 = 2⁄15
1⁄3 x 4⁄9 = 4⁄27
1⁄9 x 1⁄6 = 1⁄54
1⁄2 x 3⁄8 = 3⁄16
5⁄8 x 2⁄5 = 1⁄4
Real Life Math (Page 90)
The second piece of pipe will be3⁄5 of a metre in length.