There are 19/40 m of cloth that were not used.
Given: 3/5 m - amount of cloth bought for curtain making
1/8 m - amount of cloth used to make the curtain for the living room
Express the given fractions in similar fractions using their least common denominator.
5 - 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
8 - 8, 16, 24, 32, 40, 48, 56, 64, 72, 80
Choose the common multiple of 5 and 8.
40
Therefore, the least common denominator of 5 and 8 is 40.
Using the leas common denominator 40, change 3/5 and 1/8 into similar fractions.
3/5 = (8)(3)/40 = 24/40
1/8 = (5)(1)/40 = 5/40
Subtract 5/40 from 24/40.
24/40 - 5/40 = 19/40
Therefore, there are 19/40 m of curtain cloth that were not used.
Keywords: dissimilar fractions, similar fractions, subtraction
How to subtract dissimilar fractions: https://brainly.ph/question/309047
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