Subtract 32/12 from 1/30
1st number: 1/30, 2nd number: 2 8/12
1/30 - 32/12 is -79/30.
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,
1/30 = 1 × 2/30 × 2 = 2/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
32/12 = 32 × 5/12 × 5 = 160/60 - Subtract the two like fractions:
2/60 - 160/60 = 2 - 160/60 = -158/60 - After reducing the fraction, the answer is -79/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-32/12 1/30-64/12 1/60-32/12 1/30-32/24 3/30-32/12 1/30-96/12 1/90-32/12 1/30-32/36 5/30-32/12 1/30-32/60 7/30-32/12 1/30-32/84