Subtract 28/40 from 16/12
1st number: 1 4/12, 2nd number: 28/40
16/12 - 28/40 is 19/30.
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,
16/12 = 16 × 10/12 × 10 = 160/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
28/40 = 28 × 3/40 × 3 = 84/120 - Subtract the two like fractions:
160/120 - 84/120 = 160 - 84/120 = 76/120 - After reducing the fraction, the answer is 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12-28/40 16/12-56/40 16/24-28/40 16/12-28/80 48/12-28/40 16/12-84/40 16/36-28/40 80/12-28/40 16/60-28/40 16/84-28/40