Subtract 30/16 from 12/3
1st number: 4 0/3, 2nd number: 1 14/16
12/3 - 30/16 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 3 × 16 = 48,
12/3 = 12 × 16/3 × 16 = 192/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
30/16 = 30 × 3/16 × 3 = 90/48 - Subtract the two like fractions:
192/48 - 90/48 = 192 - 90/48 = 102/48 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-30/16 12/3-60/16 12/6-30/16 12/3-30/32 36/3-30/16 12/3-90/16 12/9-30/16 12/3-30/48 60/3-30/16 12/15-30/16 12/3-30/80 84/3-30/16 12/21-30/16