Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/90 of 14/40?"
1590 × 1440 is 7120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90×14/40 15/90×28/40 15/90×14/80 45/90×14/40 15/90×42/40 75/90×14/40 15/90×70/40 15/90×98/40
© everydaycalculation.com