Subtract 25/90 from 56/30
1st number: 1 26/30, 2nd number: 25/90
56/30 - 25/90 is 143/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
56/30 = 56 × 3/30 × 3 = 168/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Subtract the two like fractions:
168/90 - 25/90 = 168 - 25/90 = 143/90 - In mixed form: 153/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30-50/90 56/60-25/90 56/30-75/90 56/90-25/90