Subtract 30/20 from 4/35
1st number: 4/35, 2nd number: 1 10/20
4/35 - 30/20 is -97/70.
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,
4/35 = 4 × 4/35 × 4 = 16/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Subtract the two like fractions:
16/140 - 210/140 = 16 - 210/140 = -194/140 - After reducing the fraction, the answer is -97/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/35-30/20 4/35-60/20 4/70-30/20 4/35-30/40 12/35-30/20 4/35-90/20 4/35-30/60 20/35-30/20 28/35-30/20