Subtract 1/20 from 35/30
1st number: 1 5/30, 2nd number: 1/20
35/30 - 1/20 is 67/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
35/30 = 35 × 2/30 × 2 = 70/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Subtract the two like fractions:
70/60 - 3/60 = 70 - 3/60 = 67/60 - In mixed form: 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-1/20 35/30-2/20 35/60-1/20 35/30-1/40 35/30-3/20 35/90-1/20 35/30-1/60 35/30-5/20 35/30-7/20