Multiply 9/2 with 21/40
1st number: 4 1/2, 2nd number: 21/40
This multiplication involving fractions can also be rephrased as "What is 9/2 of 21/40?"
92 × 2140 is 18980.
Steps for multiplying fractions
- Simply multiply the numerators and denominators separately:
- 92 × 2140 = 9 × 212 × 40 = 18980
- In mixed form: 22980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2×21/40 9/2×42/40 9/4×21/40 9/2×21/80 27/2×21/40 9/2×63/40 9/6×21/40 45/2×21/40 9/10×21/40 63/2×21/40 9/14×21/40