Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 5/45?"
2160 × 545 is 7180.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×5/45 21/60×10/45 21/60×5/90 63/60×5/45 21/60×15/45 21/60×25/45 21/60×35/45
© everydaycalculation.com