Question

bag A weights 5/9 kg and bag B weights 4/7 kg. Which bag weights more and by how much?
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Answer 1

Answer:

0.15kg

Step-by-step explanation:

bag B is more weight

4/7-5/9=0.15

B is more weight by 0.15kg

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Answer 2

Answer:

bag B is bigger by 1/63kg

Step-by-step explanation:

weight of bag A:5/9kg

weight of bag B:4/7KG

to find heavier bag you make both fractions have equal denominators so you can pick the fraction with the bigger numerators

to do this you find he LCM of the denominators

LCM of 9 and 7 is 63

5/9 = 35/63

4/7 = 36/63

36 is bigger than 35 so 4/7 is bigger than 5/99

to find the difference subract 35/63 from 36/63

36/63 - 35/63   = 1/63

so bag B is bigger by 1/63kg

hope it helps