Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/63 of 15/42?"
4263 × 1542 is 521.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63×15/42 42/63×30/42 42/63×15/84 42/63×45/42 42/63×75/42
© everydaycalculation.com