Subtract 90/16 from 15/50
1st number: 15/50, 2nd number: 5 10/16
15/50 - 90/16 is -213/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
15/50 = 15 × 8/50 × 8 = 120/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
90/16 = 90 × 25/16 × 25 = 2250/400 - Subtract the two like fractions:
120/400 - 2250/400 = 120 - 2250/400 = -2130/400 - After reducing the fraction, the answer is -213/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-90/16 15/50-90/32 45/50-90/16 15/50-90/48 75/50-90/16 15/50-90/80