Subtract 84/28 from 35/18
1st number: 1 17/18, 2nd number: 3 0/28
35/18 - 84/28 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
35/18 = 35 × 14/18 × 14 = 490/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
84/28 = 84 × 9/28 × 9 = 756/252 - Subtract the two like fractions:
490/252 - 756/252 = 490 - 756/252 = -266/252 - After reducing the fraction, the answer is -19/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-84/28 35/36-84/28 35/18-84/56 35/54-84/28 35/90-84/28