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How do you add or subtract two fractions?

To add or subtract fractions, first you need to find a common denominator between the fractions. So, if you are trying to add 1/2 and 3/5, you can find the common denominator between 2 and 5 by multiplying e...
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Answered by Emma B. • Maths tutor
3011 Views

Simplify the following: 2(3-2x) - 3(x+1)

Step 1: Expand the brackets 6 - 4x - 3x - 3 Step 2: Collect terms 3 - 7x Cannot Simplify further, answer is 3- 7x
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Answered by Hannah C. • Maths tutor
2911 Views

Annie and Louis are going to the cinema with their friends. Annie buys two adult tickets and a popcorn for £18.Louis buys 4 adult tickets and 3 popcorn buckets for £45. How much is a ticket and a popcorn bucket?

Ticket = T, popcorn bucket = PAnnie - 2T+P=18 (1)Louis - 4T + 3P = 45 (2) scaling up: (1) x 3: 6T + 3P= 54 (3) solving:(3)-(2)2T = 9T = 4.5substitute back in2T + p = 18(2 x4.5) +p = 189+p= 18p = 9An adult ti...
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Answered by Rhiannon F. • Maths tutor
3021 Views

each month Rohan spends all his income on rent, travel and other living expenses. 1/3 of his income is used for rent, 1/5 on travel and £420 on other living expenses ... work out his income each month

1/3 + 1/5 = 8/15 (amount spent on rent and travel) 1 - 8/15 = 7/15 (amount spent on living expenses) 420 ÷ 7/15 = 899.999... = £900
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Answered by Rohan K. • Maths tutor
5214 Views

Solve the simultaneous equations, 3x + y = 10 and x + y = 4.

Firstly we want to get both equations in terms of one variable.3x + y = 10y = 10 - 3 x + y = 4y = 4 - x Make these two equations equal10 - 3x = 4 - x Rearrange the numbers to one side and the x's to one side...
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Answered by Brenda L. • Maths tutor
4868 Views