Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 10/15?"
521 × 1015 is 1063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×10/15 5/21×20/15 5/42×10/15 5/21×10/30 15/21×10/15 5/21×30/15 5/63×10/15 5/21×10/45 25/21×10/15 5/21×50/15 5/21×10/75 35/21×10/15 5/21×70/15
© everydaycalculation.com