Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/21 of 42/63?"
821 × 4263 is 1663.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21×42/63 8/21×84/63 8/42×42/63 24/21×42/63 8/63×42/63 40/21×42/63 56/21×42/63
© everydaycalculation.com