Subtract 40/25 from 1/28
1st number: 1/28, 2nd number: 1 15/25
1/28 - 40/25 is -219/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 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 25 × 28 = 700,
40/25 = 40 × 28/25 × 28 = 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: 2/28-40/25 1/28-80/25 1/56-40/25 1/28-40/50 3/28-40/25 1/84-40/25 1/28-40/75 5/28-40/25 7/28-40/25