Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/42 of 15/21?"
1042 × 1521 is 25147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42×15/21 10/42×30/21 10/84×15/21 10/42×15/42 30/42×15/21 10/42×45/21 10/42×15/63 50/42×15/21 10/42×75/21 70/42×15/21
© everydaycalculation.com