Subtract 7/32 from 28/30
28/30 - 7/32 is 343/480.
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,
28/30 = 28 × 16/30 × 16 = 448/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
7/32 = 7 × 15/32 × 15 = 105/480 - Subtract the two like fractions:
448/480 - 105/480 = 448 - 105/480 = 343/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-7/32 28/30-14/32 28/60-7/32 28/30-7/64 84/30-7/32 28/30-21/32 28/90-7/32 28/30-7/96 28/30-35/32 28/30-49/32