42/51 as a percentage is 82.35%. This number tells you how much of a whole 42 parts out of 51 represent when you look at it on a scale of 100.
The fraction 42/51 can be simplified by dividing both numerator and denominator by 3, giving 14/17. Even though the numbers are smaller, the value stays the same, so it still equals 82.35% when expressed as a percent.
In everyday terms, if you had 51 pieces of something and you owned 42 of them, you’d own about 82 out of every 100 pieces. That’s a handy way to think about the fraction without doing any extra math.
