Subtract 14/70 from 12/40
12/40 - 14/70 is 1/10.
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,
12/40 = 12 × 7/40 × 7 = 84/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
14/70 = 14 × 4/70 × 4 = 56/280 - Subtract the two like fractions:
84/280 - 56/280 = 84 - 56/280 = 28/280 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40-14/70 12/40-28/70 12/80-14/70 36/40-14/70 12/40-42/70 60/40-14/70 84/40-14/70 12/40-98/70