Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 8/14 of 21/40?"
814 × 2140 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14×21/40 8/14×42/40 8/28×21/40 8/14×21/80 24/14×21/40 8/14×63/40 8/42×21/40 40/14×21/40 8/70×21/40 56/14×21/40 8/98×21/40
© everydaycalculation.com