Subtract 90/50 from 25/49
1st number: 25/49, 2nd number: 1 40/50
25/49 - 90/50 is -316/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 49 × 50 = 2450,
25/49 = 25 × 50/49 × 50 = 1250/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
90/50 = 90 × 49/50 × 49 = 4410/2450 - Subtract the two like fractions:
1250/2450 - 4410/2450 = 1250 - 4410/2450 = -3160/2450 - After reducing the fraction, the answer is -316/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/49-90/50 25/98-90/50 75/49-90/50