Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/14 of 21/40?"
514 × 2140 is 316.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14×21/40 5/14×42/40 5/28×21/40 5/14×21/80 15/14×21/40 5/14×63/40 5/42×21/40 25/14×21/40 5/70×21/40 35/14×21/40 5/98×21/40
© everydaycalculation.com