Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/20 of 42/81?"
320 × 4281 is 790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20×42/81 3/20×84/81 3/40×42/81 9/20×42/81 3/60×42/81 15/20×42/81 21/20×42/81
© everydaycalculation.com