The larger fractron will be the fraction with the greater numerator.
ex. 4/5 is greater than 2/5
x*x=152
x2=152
Take square root.
x=±√152
x=√238
or
x=−√238
Change everything into 10ths as follows:
1/10 + 2.5/10 = 3.5/10 of an hour to make one bracelet. Then change to 20ths so the numerator is a whole number.
Divide your time available by the time it takes to make one.
21
4 = 420= 15 bracelets
7 28
20
(as a whole number there was no fraction or remainder to round off)