Rosa likes to sew. She went to the store and bought 9/10 yard of fabric. She used 8/9 of it to make pajamas and the rest for some headbands. How much fabric did she use to make headbands?
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Answer:
1/90
Step-by-step explanation:
The quantity of yard of fabric = 9/10
Quantity used to make pajamas = 8/9
The quantity of fabric left to make headbands= 9/10 - 8/9
= LCM of 9 & 10 = 90
= (9/10 × 9/9) - (8/9 × 10/10)
= 81/90 - 80/90
= 1/90
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