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Mathematics, 14.04.2020 19:46 guzmangisselle

Add, subtract, multiply, or divide the following fractions. Remember to find the LCD first.
10. 1/5+1/7+3/21=
11. 1/4+2/5+1/3=
12. 3/4-1/6=
13. 10/17-6/17=
14. 12/25x5/6x3/4=
15. 13/7x49/2x4/39=
16. 11/15x3/5x25/7=
17. 10/7/4/7=
18. 3/4/5/7=

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Add, subtract, multiply, or divide the following fractions. Remember to find the LCD first.
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