Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/21 of 1/40?"
1521 × 140 is 156.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21×1/40 15/21×2/40 15/42×1/40 15/21×1/80 45/21×1/40 15/21×3/40 15/63×1/40 75/21×1/40 15/21×5/40 15/21×7/40
© everydaycalculation.com