Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/90 of 7/10?"
4090 × 710 is 1445.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×7/10 40/90×14/10 40/90×7/20 40/90×21/10 40/90×7/30 40/90×35/10 40/90×7/50 40/90×49/10 40/90×7/70
© everydaycalculation.com