Subtract 48/98 from 25/70
25/70 - 48/98 is -13/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
25/70 = 25 × 7/70 × 7 = 175/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
48/98 = 48 × 5/98 × 5 = 240/490 - Subtract the two like fractions:
175/490 - 240/490 = 175 - 240/490 = -65/490 - After reducing the fraction, the answer is -13/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-48/98 25/70-96/98 75/70-48/98