Subtract 50/30 from 30/32
1st number: 30/32, 2nd number: 1 20/30
30/32 - 50/30 is -35/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
30/32 = 30 × 15/32 × 15 = 450/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
50/30 = 50 × 16/30 × 16 = 800/480 - Subtract the two like fractions:
450/480 - 800/480 = 450 - 800/480 = -350/480 - After reducing the fraction, the answer is -35/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/32-50/30 30/64-50/30 30/32-50/60 90/32-50/30 30/96-50/30 30/32-50/90