What is 78/16 x 27/21
multiply all the numerators (top numbers) together and all the denominators (bottom numbers) together
Simplify the fraction
Divide each part of the fraction with the greatest common factor to simplify the fraction
Because the numerator greater than the denominator, so we have an improper fraction, which means we can simplify it by converting the improper fraction to a mixed number.
Improper fraction to mixed number, get the whole number by dividing the numerator with the denominator, then subtract the numerator by the whole number multiplied by the denominator.