Subtract 35/48 from 12/20
12/20 - 35/48 is -31/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 20 × 12 = 240,
12/20 = 12 × 12/20 × 12 = 144/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
35/48 = 35 × 5/48 × 5 = 175/240 - Subtract the two like fractions:
144/240 - 175/240 = 144 - 175/240 = -31/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-35/48 12/20-70/48 12/40-35/48 12/20-35/96 36/20-35/48 12/60-35/48 60/20-35/48 84/20-35/48