Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/40 of 15/21?"
340 × 1521 is 356.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40×15/21 3/40×30/21 3/80×15/21 3/40×15/42 9/40×15/21 3/40×45/21 3/40×15/63 15/40×15/21 3/40×75/21 21/40×15/21
© everydaycalculation.com