Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/28 of 16/21?"
2128 × 1621 is 47.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28×16/21 21/28×32/21 21/56×16/21 21/28×16/42 63/28×16/21 21/28×48/21 21/84×16/21 21/28×16/63 21/28×80/21
© everydaycalculation.com