Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/35 of 45/90?"
2135 × 4590 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35×45/90 21/70×45/90 63/35×45/90
© everydaycalculation.com