Square both the numerator and the denominator. If you want to find the square of a mixed number, turn it into an improper fraction before squaring.
For example, if you want to square 1 4/5, turn 1 4/5 into 9/5. If you square 9/5, you will get 81/25.
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The square root of a/b is equal to the square root of a divided by the square root of b. I hope this helps you.
Most square roots are irrational numbers and cannot be represented as a fraction.
The square root of 126 is ± 11.224972.± 11.224972 expressed as a fraction is: ±2806243/250000
It is 8/10 = 0.8
Decimals can't have a square root.Improved Answer:-Change it into a fraction as for example 0.25 = 1/4 and its sq rt = 1/2Some fractions when square rooted are irrational numbers