Subtract 12/90 from 35/10
1st number: 3 5/10, 2nd number: 12/90
35/10 - 12/90 is 101/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
35/10 = 35 × 9/10 × 9 = 315/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Subtract the two like fractions:
315/90 - 12/90 = 315 - 12/90 = 303/90 - After reducing the fraction, the answer is 101/30
- In mixed form: 311/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-12/90 35/10-24/90 35/20-12/90 35/10-36/90 35/30-12/90 35/10-60/90 35/50-12/90 35/10-84/90 35/70-12/90