Subtract 40/16 from 2/4
1st number: 2/4, 2nd number: 2 8/16
2/4 - 40/16 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
2/4 = 2 × 4/4 × 4 = 8/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Subtract the two like fractions:
8/16 - 40/16 = 8 - 40/16 = -32/16 - After reducing the fraction, the answer is -2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-80/16 2/8-40/16 2/4-40/32 6/4-40/16 2/12-40/16 2/4-40/48 10/4-40/16 2/20-40/16 2/4-40/80 14/4-40/16 2/28-40/16