Subtract 15/70 from 1/4
1/4 - 15/70 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
1/4 = 1 × 35/4 × 35 = 35/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
15/70 = 15 × 2/70 × 2 = 30/140 - Subtract the two like fractions:
35/140 - 30/140 = 35 - 30/140 = 5/140 - After reducing the fraction, the answer is 1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-15/70 1/4-30/70 1/8-15/70 3/4-15/70 1/4-45/70 1/12-15/70 5/4-15/70 1/4-75/70 1/20-15/70 7/4-15/70 1/28-15/70