Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/63 of 10/40?"
4063 × 1040 is 1063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63×10/40 40/63×20/40 40/63×10/80 40/63×30/40 40/63×50/40 40/63×70/40
© everydaycalculation.com