Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/40 of 7/21?"
1540 × 721 is 18.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40×7/21 15/40×14/21 15/80×7/21 15/40×7/42 45/40×7/21 15/40×7/63 75/40×7/21 15/40×35/21 15/40×49/21
© everydaycalculation.com