Subtract 35/20 from 12/15
1st number: 12/15, 2nd number: 1 15/20
12/15 - 35/20 is -19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Subtract the two like fractions:
48/60 - 105/60 = 48 - 105/60 = -57/60 - After reducing the fraction, the answer is -19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-35/20 12/15-70/20 12/30-35/20 12/15-35/40 36/15-35/20 12/45-35/20 12/15-35/60 60/15-35/20 12/75-35/20 84/15-35/20