Subtract 2/70 from 4/40
4/40 - 2/70 is 1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
2/70 = 2 × 4/70 × 4 = 8/280 - Subtract the two like fractions:
28/280 - 8/280 = 28 - 8/280 = 20/280 - After reducing the fraction, the answer is 1/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40-2/70 4/40-4/70 4/80-2/70 12/40-2/70 4/40-6/70 20/40-2/70 4/40-10/70 28/40-2/70 4/40-14/70