Subtract 28/70 from 1/25
1/25 - 28/70 is -9/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
1/25 = 1 × 14/25 × 14 = 14/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
28/70 = 28 × 5/70 × 5 = 140/350 - Subtract the two like fractions:
14/350 - 140/350 = 14 - 140/350 = -126/350 - After reducing the fraction, the answer is -9/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/25-28/70 1/25-56/70 1/50-28/70 3/25-28/70 1/25-84/70 1/75-28/70 5/25-28/70 7/25-28/70