Subtract 5/35 from 12/20
12/20 - 5/35 is 16/35.
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,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
5/35 = 5 × 4/35 × 4 = 20/140 - Subtract the two like fractions:
84/140 - 20/140 = 84 - 20/140 = 64/140 - After reducing the fraction, the answer is 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-5/35 12/20-10/35 12/40-5/35 12/20-5/70 36/20-5/35 12/20-15/35 12/60-5/35 60/20-5/35 12/20-25/35 84/20-5/35