Subtract 84/50 from 7/18
1st number: 7/18, 2nd number: 1 34/50
7/18 - 84/50 is -581/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
7/18 = 7 × 25/18 × 25 = 175/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
84/50 = 84 × 9/50 × 9 = 756/450 - Subtract the two like fractions:
175/450 - 756/450 = 175 - 756/450 = -581/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18-84/50 7/36-84/50 21/18-84/50 7/54-84/50 35/18-84/50 7/90-84/50 49/18-84/50