Subtract 40/16 from 30/2
1st number: 15 0/2, 2nd number: 2 8/16
30/2 - 40/16 is 25/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
30/2 = 30 × 8/2 × 8 = 240/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Subtract the two like fractions:
240/16 - 40/16 = 240 - 40/16 = 200/16 - After reducing the fraction, the answer is 25/2
- In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-40/16 30/2-80/16 30/4-40/16 30/2-40/32 90/2-40/16 30/6-40/16 30/2-40/48 30/10-40/16 30/2-40/80 30/14-40/16