Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 42/45 of 21/35?"
4245 × 2135 is 1425.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45×21/35 42/45×42/35 42/90×21/35 42/45×21/70 42/45×63/35
© everydaycalculation.com