Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 3/90 of 4/5?"
390 × 45 is 275.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90×4/5 3/90×8/5 3/90×4/10 9/90×4/5 3/90×12/5 3/90×4/15 15/90×4/5 3/90×20/5 3/90×4/25 21/90×4/5 3/90×28/5 3/90×4/35
© everydaycalculation.com