Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/70 of 15/21?"
170 × 1521 is 198.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/70×15/21 1/70×30/21 1/70×15/42 3/70×15/21 1/70×45/21 1/70×15/63 5/70×15/21 1/70×75/21 7/70×15/21
© everydaycalculation.com