Subtract 35/20 from 90/10
1st number: 9 0/10, 2nd number: 1 15/20
90/10 - 35/20 is 29/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
35/20 = 35 × 1/20 × 1 = 35/20 - Subtract the two like fractions:
180/20 - 35/20 = 180 - 35/20 = 145/20 - After reducing the fraction, the answer is 29/4
- In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-70/20 90/20-35/20 90/10-35/40 90/30-35/20 90/10-35/60 90/50-35/20 90/70-35/20