Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/8 of 42/90?"
18 × 4290 is 7120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8×42/90 1/8×84/90 1/16×42/90 3/8×42/90 1/24×42/90 5/8×42/90 1/40×42/90 7/8×42/90 1/56×42/90
© everydaycalculation.com