Question

find the value of the following

Mathematics

rational number​

Answer 1

Answer:

1.-5

2.-21/20

Step-by-step explanation:

• -5/7+1
• LCM of 7 and 1 is 7
• -5+1×7/7
• -5+7/7
• -35/7
• -5

• -4/5-1/4
• LCM of 5 and 4 is 20
• -4×4-1×5/20
• -16-5/20
• -21/20

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Answer 2

Step-by-step explanation:

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