Subtract 70/40 from 2/12
1st number: 2/12, 2nd number: 1 30/40
2/12 - 70/40 is -19/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
2/12 = 2 × 10/12 × 10 = 20/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Subtract the two like fractions:
20/120 - 210/120 = 20 - 210/120 = -190/120 - After reducing the fraction, the answer is -19/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-70/40 2/24-70/40 2/12-70/80 6/12-70/40 2/36-70/40 10/12-70/40 2/60-70/40 14/12-70/40 2/84-70/40