Subtract 9/32 from 4/45
4/45 - 9/32 is -277/1440.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
4/45 = 4 × 32/45 × 32 = 128/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
9/32 = 9 × 45/32 × 45 = 405/1440 - Subtract the two like fractions:
128/1440 - 405/1440 = 128 - 405/1440 = -277/1440
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-9/32 4/45-18/32 4/90-9/32 4/45-9/64 12/45-9/32 4/45-27/32 4/45-9/96 20/45-9/32 4/45-45/32 28/45-9/32 4/45-63/32