Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/28 of 6/15?"
2128 × 615 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/28×6/15 21/28×12/15 21/56×6/15 21/28×6/30 63/28×6/15 21/28×18/15 21/84×6/15 21/28×6/45 21/28×30/15 21/28×6/75 21/28×42/15
© everydaycalculation.com