Subtract 14/18 from 84/40
1st number: 2 4/40, 2nd number: 14/18
84/40 - 14/18 is 119/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
84/40 = 84 × 9/40 × 9 = 756/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
14/18 = 14 × 20/18 × 20 = 280/360 - Subtract the two like fractions:
756/360 - 280/360 = 756 - 280/360 = 476/360 - After reducing the fraction, the answer is 119/90
- In mixed form: 129/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40-28/18 84/80-14/18 84/40-14/36 84/40-42/18 84/40-14/54 84/40-70/18 84/40-14/90 84/40-98/18