Subtract 12/16 from 1/40
1/40 - 12/16 is -29/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
1/40 = 1 × 2/40 × 2 = 2/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
12/16 = 12 × 5/16 × 5 = 60/80 - Subtract the two like fractions:
2/80 - 60/80 = 2 - 60/80 = -58/80 - After reducing the fraction, the answer is -29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-12/16 1/40-24/16 1/80-12/16 1/40-12/32 3/40-12/16 1/40-36/16 1/40-12/48 5/40-12/16 1/40-60/16 1/40-12/80 7/40-12/16 1/40-84/16