Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/21 of 10/40?"
121 × 1040 is 184.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21×10/40 1/21×20/40 1/42×10/40 1/21×10/80 3/21×10/40 1/21×30/40 1/63×10/40 5/21×10/40 1/21×50/40 7/21×10/40 1/21×70/40
© everydaycalculation.com