Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/45 of 3/5?"
2145 × 35 is 725.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/45×3/5 21/45×6/5 21/90×3/5 21/45×3/10 63/45×3/5 21/45×9/5 21/45×3/15 21/45×15/5 21/45×3/25 21/45×21/5 21/45×3/35
© everydaycalculation.com