Subtract 49/50 from 8/28
8/28 - 49/50 is -243/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
8/28 = 8 × 25/28 × 25 = 200/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
49/50 = 49 × 14/50 × 14 = 686/700 - Subtract the two like fractions:
200/700 - 686/700 = 200 - 686/700 = -486/700 - After reducing the fraction, the answer is -243/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-49/50 8/28-98/50 8/56-49/50 24/28-49/50 8/84-49/50 40/28-49/50 56/28-49/50