Subtract 35/80 from 12/50
12/50 - 35/80 is -79/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
12/50 = 12 × 8/50 × 8 = 96/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
35/80 = 35 × 5/80 × 5 = 175/400 - Subtract the two like fractions:
96/400 - 175/400 = 96 - 175/400 = -79/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50-35/80 12/50-70/80 36/50-35/80 60/50-35/80 84/50-35/80