Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/60 of 10/54?"
2160 × 1054 is 7108.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60×10/54 21/60×20/54 63/60×10/54 21/60×30/54 21/60×50/54 21/60×70/54
© everydaycalculation.com