Subtract 35/18 from 10/28
1st number: 10/28, 2nd number: 1 17/18
10/28 - 35/18 is -100/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
35/18 = 35 × 14/18 × 14 = 490/252 - Subtract the two like fractions:
90/252 - 490/252 = 90 - 490/252 = -400/252 - After reducing the fraction, the answer is -100/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28-35/18 10/28-70/18 10/56-35/18 10/28-35/36 30/28-35/18 10/84-35/18 10/28-35/54 50/28-35/18 10/28-35/90 70/28-35/18