Subtract 14/42 from 25/70
25/70 - 14/42 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
25/70 = 25 × 3/70 × 3 = 75/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Subtract the two like fractions:
75/210 - 70/210 = 75 - 70/210 = 5/210 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-14/42 25/70-28/42 25/70-14/84 75/70-14/42 25/70-70/42 25/70-98/42