Subtract 9/12 from 35/20
1st number: 1 15/20, 2nd number: 9/12
35/20 - 9/12 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Subtract the two like fractions:
105/60 - 45/60 = 105 - 45/60 = 60/60 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-9/12 35/20-18/12 35/40-9/12 35/20-9/24 35/20-27/12 35/60-9/12 35/20-9/36 35/20-45/12 35/20-9/60 35/20-63/12 35/20-9/84