Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/90 of 7/9?"
4090 × 79 is 2881.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×7/9 40/90×14/9 40/90×7/18 40/90×21/9 40/90×7/27 40/90×35/9 40/90×7/45 40/90×49/9 40/90×7/63
© everydaycalculation.com