Subtract 54/40 from 1/70
1st number: 1/70, 2nd number: 1 14/40
1/70 - 54/40 is -187/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
1/70 = 1 × 4/70 × 4 = 4/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Subtract the two like fractions:
4/280 - 378/280 = 4 - 378/280 = -374/280 - After reducing the fraction, the answer is -187/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/70-54/40 1/70-54/80 3/70-54/40 5/70-54/40 7/70-54/40