Subtract 27/70 from 7/25
7/25 - 27/70 is -37/350.
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,
7/25 = 7 × 14/25 × 14 = 98/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
27/70 = 27 × 5/70 × 5 = 135/350 - Subtract the two like fractions:
98/350 - 135/350 = 98 - 135/350 = -37/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-27/70 7/25-54/70 7/50-27/70 21/25-27/70 7/25-81/70 7/75-27/70 35/25-27/70 49/25-27/70