Subtract 75/35 from 3/20
1st number: 3/20, 2nd number: 2 5/35
3/20 - 75/35 is -279/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
75/35 = 75 × 4/35 × 4 = 300/140 - Subtract the two like fractions:
21/140 - 300/140 = 21 - 300/140 = -279/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20-75/35 3/40-75/35 3/20-75/70 9/20-75/35 3/60-75/35 15/20-75/35 21/20-75/35