To write 2.93 as a fraction you have to write 2.93 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
2.93 = 2.93/1 = 29.3/10 = 293/100
And finally we have:
2.93 as a fraction equals 293/100
