Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/60 of 21/40?"
1060 × 2140 is 780.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/60×21/40 10/60×42/40 10/60×21/80 30/60×21/40 10/60×63/40 50/60×21/40 70/60×21/40
© everydaycalculation.com