Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/40 of 5/63?"
2140 × 563 is 124.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/40×5/63 21/40×10/63 21/80×5/63 63/40×5/63 21/40×15/63 21/40×25/63 21/40×35/63
© everydaycalculation.com