Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/80 of 21/63?"
180 × 2163 is 1240.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80×21/63 1/80×42/63 3/80×21/63 5/80×21/63 7/80×21/63
© everydaycalculation.com