Mr abbot mowed1/4 of his lawn. his son mowed 3/7 of it who mowed most of the lawn how much of the lawn still needs to be mowed

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Sarah

Mathematics

25 July, 20:02

Mr abbot mowed1/4 of his lawn. his son mowed 3/7 of it who mowed most of the lawn how much of the lawn still needs to be mowed

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Chaz Good · Answer 1

Mr. Abbot mowed 1/4 of his lawn.

His son mowed 3/7 of the lawn.

The first thing to do is get a common denominator, in this case a good one to use is 28. it has to be a number divisible by 4 and 7.

1/4=7/28

3/7=12/28

so now we can see that the son mowed more. now add these two numbers together to get how much they mowed in total

(7+12) / 28=19/28 of the lawn is mowed.

that means 9/28 of the lawn still has to be mowed.