Subtract 5/10 from 90/28
1st number: 3 6/28, 2nd number: 5/10
90/28 - 5/10 is 19/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
5/10 = 5 × 14/10 × 14 = 70/140 - Subtract the two like fractions:
450/140 - 70/140 = 450 - 70/140 = 380/140 - After reducing the fraction, the answer is 19/7
- In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-5/10 90/28-5/20 90/28-15/10 90/84-5/10 90/28-5/30 90/28-25/10 90/28-5/50 90/28-35/10 90/28-5/70