Multiply Whole Numbers & Fractions
1/4 x 20
5
3/5 x 5/6
1/2
2/5 x 2 3/4
1 1/10
At a school, there are 864 students and 80 staff members. 5/ 8 of the students are boys. How many girls are there in the school?
864 × 3 /8 = 324 There are 324 girls in the school.
____× 7/ 6 = 2/ 3
4/ 7
13 x 2/13
2
2/9 x 1/3
2/27
3 1/3 x 7/8
2 11/12
Mark needs 2 /25 kg of cement and 6 /25 kg of sand for every 10 pieces of tile. How much cement does he need if he uses 70 pieces of tiles for the kitchen?
2/ 25 x 7 = 14 /25 Mark needs 14 25 kg of cement for 70 pieces of tile.
____× 25/ 24 = 5 /6
4/ 5
7 x 1/5
1 2/5
3/4 x 5/12
5/16
4 2/5 x 1 3/4
7 7/10
3/7 x 15
15
_____ × 7/ 5 = 4 /15
4/ 21
24 x 3/4
18
7/8 x 2/9
7/36
2 4/5 x 6 1/8
17 3/20
23x 3/10
69/10
12/ 5 × ____= 16 / 7
20/ 21
Ms Kayla baked some cupcakes for her students. She baked 24 cupcakes. Each cupcake is 2/15 pound. If she packed 6 cupcakes in each box, what is the weight of each box?
4/5 of a pound
(2/15 x 6 = 12/15)
According to a recipe, 9/20 kilograms of sugar is needed to make 16 cookies. Ms Kayla decided to use only one third of the sugar to make it healthier. How much sugar did Ms Kayla use?
3/20 kilograms
(9/20 x 1/3 = 3/20)
66 x 2/9
44/3
Thomas took out a box of nails weighing 7 12 kg from the storage room. He used 2 3 of the nails and 2 hammers for the wooden bench. What was the weight of the nails used?
7/ 12 x 2 /3 = 14 /36 = 7 /18
Thomas used 7 /18 kg of nails for the wooden bench.
_____× 18 /25 = 3 /20
5 /24