Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 12/90 of 6/40?"
1290 × 640 is 150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90×6/40 12/90×12/40 12/90×6/80 36/90×6/40 12/90×18/40 60/90×6/40 12/90×30/40 84/90×6/40 12/90×42/40
© everydaycalculation.com