Subtract 72/30 from 2/12
1st number: 2/12, 2nd number: 2 12/30
2/12 - 72/30 is -67/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Subtract the two like fractions:
10/60 - 144/60 = 10 - 144/60 = -134/60 - After reducing the fraction, the answer is -67/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12-72/30 2/24-72/30 2/12-72/60 6/12-72/30 2/36-72/30 2/12-72/90 10/12-72/30 2/60-72/30 14/12-72/30 2/84-72/30