Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/28 of 45/72?"
2128 × 4572 is 1532.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28×45/72 21/28×90/72 21/56×45/72 63/28×45/72 21/84×45/72
© everydaycalculation.com