Subtract 60/12 from 24/21
1st number: 1 3/21, 2nd number: 5 0/12
24/21 - 60/12 is -27/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
24/21 = 24 × 4/21 × 4 = 96/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
60/12 = 60 × 7/12 × 7 = 420/84 - Subtract the two like fractions:
96/84 - 420/84 = 96 - 420/84 = -324/84 - After reducing the fraction, the answer is -27/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21-60/12 24/42-60/12 24/21-60/24 72/21-60/12 24/63-60/12 24/21-60/36 24/21-60/84