Subtract 25/8 from 50/90
1st number: 50/90, 2nd number: 3 1/8
50/90 - 25/8 is -185/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
50/90 = 50 × 4/90 × 4 = 200/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Subtract the two like fractions:
200/360 - 1125/360 = 200 - 1125/360 = -925/360 - After reducing the fraction, the answer is -185/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-50/8 50/90-25/16 50/90-75/8 50/90-25/24 50/90-25/40 50/90-25/56