What is 9/8 of 35?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 9/8 of 35? We'll show you a straightforward method to achieve that.
How to calculate 9/8 of 35?
- Multiply the whole number by the numerator of the fraction: 35 × 9 = 315
- Divide this result by denominator of the fraction: 315/8 = 39.375
Since 315/8 is an improper fraction, the result could also be expressed as a mixed number: 39 3/8
How does it work?
The principle behind finding a fraction of a number, such as 9/8 of 35, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 9/8 of 35)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 8 to isolate x:
- Which gives the result:
Thus, 9/8 of 35 is equal to 315/8 (or 39.375 in its decimal form).