Subtract 50/12 from 56/90
1st number: 56/90, 2nd number: 4 2/12
56/90 - 50/12 is -319/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
56/90 = 56 × 2/90 × 2 = 112/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
50/12 = 50 × 15/12 × 15 = 750/180 - Subtract the two like fractions:
112/180 - 750/180 = 112 - 750/180 = -638/180 - After reducing the fraction, the answer is -319/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-50/24 56/90-50/36 56/90-50/60 56/90-50/84