Advertisements
Advertisements
Question
Simplify: `"4a"/7 + "2a"/3 - "a"/7`
Sum
Advertisements
Solution
`"4a"/7 + "2a"/3 - "a"/7`
`= ("12a" - "14a" + "3a")/21`
`= ("15a" - "14a")/21`
`= "a"/21` ...(LCM of 7, 3 = 21)
shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify: - 2m + 5 + 4(m - 3)
Multiply: 3x, 5x2y and 2y
Multiply: - 3m2n + 5mn - 4mn2 and 6m2n
Copy and complete the following multi-plication:
a + b
× a + b
Evaluate: (a + 5)(3a - 2)(5a + 1)
Evaluate: (5m - 2n)(5m + 2n)(25m2 + 4n2)
Multiply: x3 - 3y3 and 4x2y2
Simplify: `"6k"/7 - ("8k"/9 - "k"/3)`
Simplify: `"x" + "x"/2 + "x"/3`
Simplify: `("p" + "p"/3)("2p" + "p"/2)("3p" - "2p"/3)`
