Multiply 90/2 with 21/40
1st number: 45 0/2, 2nd number: 21/40
This multiplication involving fractions can also be rephrased as "What is 90/2 of 21/40?"
902 × 2140 is 1898.
Steps for multiplying fractions
- Simply multiply the numerators and denominators separately:
- 902 × 2140 = 90 × 212 × 40 = 189080
- After reducing the fraction, the answer is 1898
- In mixed form: 2358
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2×42/40 90/4×21/40 90/2×21/80 90/2×63/40 90/6×21/40 90/10×21/40 90/14×21/40