What is 7/2 of 37?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 7/2 of 37? We'll show you a straightforward method to achieve that.
How to calculate 7/2 of 37?
- Multiply the whole number by the numerator of the fraction: 37 × 7 = 259
- Divide this result by denominator of the fraction: 259/2 = 129.5
Since 259/2 is an improper fraction, the result could also be expressed as a mixed number: 129 1/2
How does it work?
The principle behind finding a fraction of a number, such as 7/2 of 37, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 7/2 of 37)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 2 to isolate x:
- Which gives the result:
Thus, 7/2 of 37 is equal to 259/2 (or 129.5 in its decimal form).