Subtract 4/32 from 4/30
4/30 - 4/32 is 1/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
4/30 = 4 × 16/30 × 16 = 64/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
4/32 = 4 × 15/32 × 15 = 60/480 - Subtract the two like fractions:
64/480 - 60/480 = 64 - 60/480 = 4/480 - After reducing the fraction, the answer is 1/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-4/32 4/30-8/32 4/60-4/32 4/30-4/64 12/30-4/32 4/30-12/32 4/90-4/32 4/30-4/96 20/30-4/32 4/30-20/32 28/30-4/32 4/30-28/32