Subtract 80/50 from 1/28
1st number: 1/28, 2nd number: 1 30/50
1/28 - 80/50 is -219/140.
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,
1/28 = 1 × 25/28 × 25 = 25/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
80/50 = 80 × 14/50 × 14 = 1120/700 - Subtract the two like fractions:
25/700 - 1120/700 = 25 - 1120/700 = -1095/700 - After reducing the fraction, the answer is -219/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-80/50 1/56-80/50 3/28-80/50 1/84-80/50 5/28-80/50 7/28-80/50