Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/42 of 1/35?"
2142 × 135 is 170.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42×2/35 21/84×1/35 21/42×1/70 63/42×1/35 21/42×3/35 21/42×5/35 21/42×7/35
© everydaycalculation.com