Subtract 10/12 from 16/30
16/30 - 10/12 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
16/30 = 16 × 2/30 × 2 = 32/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
10/12 = 10 × 5/12 × 5 = 50/60 - Subtract the two like fractions:
32/60 - 50/60 = 32 - 50/60 = -18/60 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30-10/12 16/30-20/12 16/60-10/12 16/30-10/24 48/30-10/12 16/30-30/12 16/90-10/12 16/30-10/36 80/30-10/12 16/30-50/12 16/30-10/60 16/30-70/12 16/30-10/84