Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/80 of 5/45?"
2180 × 545 is 7240.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/80×5/45 21/80×10/45 21/80×5/90 63/80×5/45 21/80×15/45 21/80×25/45 21/80×35/45
© everydaycalculation.com