Subtract 1/7 from 49/70
49/70 - 1/7 is 39/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
49/70 = 49 × 1/70 × 1 = 49/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
1/7 = 1 × 10/7 × 10 = 10/70 - Subtract the two like fractions:
49/70 - 10/70 = 49 - 10/70 = 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-1/7 49/70-2/7 49/70-1/14 49/70-3/7 49/70-1/21 49/70-5/7 49/70-1/35 49/70-1/49