Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/63 of 25/40?"
4263 × 2540 is 512.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63×25/40 42/63×50/40 42/63×25/80 42/63×75/40
© everydaycalculation.com