Subtract 7/32 from 2/45
2/45 - 7/32 is -251/1440.
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,
2/45 = 2 × 32/45 × 32 = 64/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
7/32 = 7 × 45/32 × 45 = 315/1440 - Subtract the two like fractions:
64/1440 - 315/1440 = 64 - 315/1440 = -251/1440
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45-7/32 2/45-14/32 2/90-7/32 2/45-7/64 6/45-7/32 2/45-21/32 2/45-7/96 10/45-7/32 2/45-35/32 14/45-7/32 2/45-49/32