Subtract 25/36 from 84/20
1st number: 4 4/20, 2nd number: 25/36
84/20 - 25/36 is 631/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180 - Subtract the two like fractions:
756/180 - 125/180 = 756 - 125/180 = 631/180 - In mixed form: 391/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-50/36 84/40-25/36 84/20-25/72 84/20-75/36 84/60-25/36