Advertisements
Advertisements
Question
A student multiplied two mixed fractions in the following manner: `2 4/7 xx 3 1/4 = 6 1/7`. What error the student has done?
Solution
For multiplying two mixed fractions, first convert them into improper fraction.
So, `2/7 xx 3 1/4 = (2 xx 7 + 4)/7 xx (3 xx 4 + 1)/4`
= `18/7 xx 13/4`
= `234/28`
= `117/14`
= `8 5/14`
APPEARS IN
RELATED QUESTIONS
Convert into a mixed number.
`11/8`
Write the following example using fraction.
To make 5 shirts of the same size, 11 metres of cloth is needed. How much cloth is needed for one shirt?
Write the proper symbol from < , > , or = in the box.
`3/7 square 5/9`
Add:
`7/12 + 2/12`
Write the suitable number in the box.
`9/11 = 18/square`
Put the card in the right bag.
Card - `4/4`
Put the card in the right bag.
Card - `19/25`
Express the following as mixed fraction:
`20/3`
Express the following as a mixed fraction:
`11/5`
Simplify: `(1/4 + 1/5)/(1 - 3/8 xx 3/5)`
