Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/35 of 42/70?"
2135 × 4270 is 925.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35×42/70 21/35×84/70 21/70×42/70 63/35×42/70
© everydaycalculation.com