Subtract 25/18 from 84/5
1st number: 16 4/5, 2nd number: 1 7/18
84/5 - 25/18 is 1387/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
84/5 = 84 × 18/5 × 18 = 1512/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Subtract the two like fractions:
1512/90 - 125/90 = 1512 - 125/90 = 1387/90 - In mixed form: 1537/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-50/18 84/10-25/18 84/5-25/36 84/5-75/18 84/15-25/18 84/5-25/54 84/25-25/18 84/5-25/90 84/35-25/18