Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/35 of 35/45?"
2135 × 3545 is 715.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35×35/45 21/35×70/45 21/70×35/45 21/35×35/90 63/35×35/45
© everydaycalculation.com