Subtract 2/20 from 30/35
30/35 - 2/20 is 53/70.
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,
30/35 = 30 × 4/35 × 4 = 120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Subtract the two like fractions:
120/140 - 14/140 = 120 - 14/140 = 106/140 - After reducing the fraction, the answer is 53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-2/20 30/35-4/20 30/70-2/20 30/35-2/40 90/35-2/20 30/35-6/20 30/35-2/60 30/35-10/20 30/35-14/20