What is 8/5 of 88?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 8/5 of 88? We'll show you a straightforward method to achieve that.
How to calculate 8/5 of 88?
- Multiply the whole number by the numerator of the fraction: 88 × 8 = 704
- Divide this result by denominator of the fraction: 704/5 = 140.8
Since 704/5 is an improper fraction, the result could also be expressed as a mixed number: 140 4/5
How does it work?
The principle behind finding a fraction of a number, such as 8/5 of 88, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 8/5 of 88)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 5 to isolate x:
- Which gives the result:
Thus, 8/5 of 88 is equal to 704/5 (or 140.8 in its decimal form).