Subtract 1/70 from 14/42
14/42 - 1/70 is 67/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
1/70 = 1 × 3/70 × 3 = 3/210 - Subtract the two like fractions:
70/210 - 3/210 = 70 - 3/210 = 67/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42-1/70 14/42-2/70 14/84-1/70 14/42-3/70 70/42-1/70 14/42-5/70 98/42-1/70 14/42-7/70