Subtract 75/20 from 12/35
1st number: 12/35, 2nd number: 3 15/20
12/35 - 75/20 is -477/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
12/35 = 12 × 4/35 × 4 = 48/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
75/20 = 75 × 7/20 × 7 = 525/140 - Subtract the two like fractions:
48/140 - 525/140 = 48 - 525/140 = -477/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-75/20 12/70-75/20 12/35-75/40 36/35-75/20 12/35-75/60 60/35-75/20 84/35-75/20