Subtract 60/12 from 30/84
1st number: 30/84, 2nd number: 5 0/12
30/84 - 60/12 is -65/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
60/12 = 60 × 7/12 × 7 = 420/84 - Subtract the two like fractions:
30/84 - 420/84 = 30 - 420/84 = -390/84 - After reducing the fraction, the answer is -65/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84-60/12 30/84-60/24 90/84-60/12 30/84-60/36 30/84-60/84