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7th grade maths
Step by step explain each question! Thanks!

7th Grade Maths Step By Step Explain Each Question Thanks class=

Sagot :

Answer:

1. Answer:

[tex]{ \tt{ \frac{5}{2y} + \frac{3}{10} }} \\ \\ = { \tt{ \frac{50 + 6y}{20y} }}[/tex]

2. Answer:

[tex] \frac{4m}{9} + \frac{11}{12} \\ \\ = \frac{16m + 33}{36} [/tex]

3. Answer

[tex] \frac{4}{b} - \frac{1}{ 3} \\ \\ = \frac{12 - b}{3b} [/tex]

4. Answer:

[tex] - \frac{2r}{15} - \frac{2}{3} \\ \\ = \frac{ - 2r - 10}{15} [/tex]

5. Answer:

[tex] \frac{m}{8} - \frac{11}{m} \\ \\ = \frac{ {m}^{2} - 88}{8m} [/tex]

6. Answer:

[tex] \frac{15}{16y} + \frac{5}{12} \\ \\ = \frac{45 - 20y}{48y} [/tex]

7. Answer:

[tex] \frac{2}{9w} + \frac{3}{3z} \\ \\ = \frac{6z + 9w}{3wz} [/tex]

8. Answer:

[tex] \frac{2}{3p} - \frac{1}{3p} \\ \\ = \frac{1}{3p} [/tex]

9. Answer:

[tex] \frac{15}{2x} - \frac{4}{7y} \\ \\ = \frac{105y - 8x}{14xy} [/tex]

10. Answer:

[tex] \frac{14}{3d} - \frac{1}{2d} \\ \\ = \frac{25}{6 {d}^{2} } [/tex]

11. Answer:

[tex] \frac{11f}{20} + \frac{2}{15} \\ \\ = \frac{33f + 8}{60} [/tex]

12. Answer:

[tex] \frac{2}{(w + 1)} + \frac{1}{4} \\ \\ = \frac{9 + w}{4w + 4} [/tex]

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