Multiply 15/18 with 21/30
This multiplication involving fractions can also be rephrased as "What is 15/18 of 21/30?"
1518 × 2130 is 712.
Steps for multiplying fractions
- Simply multiply the numerators and denominators separately:
- 1518 × 2130 = 15 × 2118 × 30 = 315540
- After reducing the fraction, the answer is 712
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18×21/30 15/18×42/30 15/36×21/30 15/18×21/60 45/18×21/30 15/18×63/30 15/54×21/30 15/18×21/90 75/18×21/30 15/90×21/30