find the sum.express your answer to lowest term
1. 1/4+2/4=n
2. 3/4+1/8=n
3. 1/6+3/6=n
4. 3/5+1/2=n
5. 6/10+2/10=n
1. 1/4+2/4=n
2. 3/4+1/8=n
3. 1/6+3/6=n
4. 3/5+1/2=n
5. 6/10+2/10=n
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Answer:
1. 3/4
2. 7/8
3. 4/6
4. 1 1/10
5. 8/10
Step-by-step explanation:
1. 1/4 + 2/4 = 3/4
2.3/4 + 1/8 = 3×8/4×8 + 1×4/8×4 = 24/32 = 24+4/32 = 28/32 = 7/8
3. 1/6+3/6 = 4/6
4. 3/5 + 1/2 = 1×2/5×2 + 1×5/2×5 = 6/10 + 5/10 = 6+5/10 = 11/10 (improper) = 11/10 = 11÷10 = 1 1/10 (mixed number)
5. 6/10 + 2/10 = 8/10
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