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Question
Subtract:
`2/7 - 1/4`
Solution
Smallest common multiple of 7 and 4 is 28.
`2/7 - 1/4 = (2 xx 4)/(7 xx 4) - (1 xx 7)/(4 xx 7)`
= `8/28 - 7/28`
= `(8 - 7)/28`
= `1/28`
RELATED QUESTIONS
Subtract:`3 2/5 – 2 1/7`
Subtract:
`9/12 - 2/12`
Simplify : `7 2/7 - 3 4/21`
What fraction is to be subtracted from `9 3/7` to get `3 1/5`?
`8/18 - 8/15 = 8/3`
Subtract `8 1/3` from `100/9`.
Solve:
`7/7 - 5/7`
Fill in the boxes:
`☐ - 1/5 = 1/2`
Heena’s father paid an electric bill of ₹ 385.70 out of a 500 rupee note. How much change should he have received?
Reaction time measures how quickly a runner reacts to the starter pistol. In the 100 m dash at the 2004 Olympic Games, Lauryn Williams had a reaction time of 0.214 second. Her total race time, including reaction time, was 11.03 seconds. How long did it take her to run the actual distance?
