What is 1/8 of 39?

How to calculate 1/8 of 39?

1. Multiply the whole number by the numerator of the fraction: 39 × 1 = 39
2. Divide this result by denominator of the fraction: 39/8 = 4.875

Since 39/8 is an improper fraction, the result could also be expressed as a mixed number: 4 7/8

How does it work?

The principle behind finding a fraction of a number, such as 1/8 of 39, is rooted in the method of cross-multiplication.

Consider the following proportion: $\frac{1}{8}=\frac{x}{39}$ (where x represents 1/8 of 39)

1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: $1\times 39=8x$
2. Which gives: $39=8x$
3. Divide both sides by 8 to isolate x: $\frac{39}{8}=\frac{8x}{8}$
4. Which gives the result: $\frac{39}{8}=x$

Thus, 1/8 of 39 is equal to 39/8 (or 4.875 in its decimal form).