Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/40 of 7/81?"
540 × 781 is 7648.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40×7/81 5/40×14/81 5/80×7/81 15/40×7/81 5/40×21/81 25/40×7/81 5/40×35/81 35/40×7/81 5/40×49/81
© everydaycalculation.com