Subtract 60/12 from 16/21
1st number: 16/21, 2nd number: 5 0/12
16/21 - 60/12 is -89/21.
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,
16/21 = 16 × 4/21 × 4 = 64/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
60/12 = 60 × 7/12 × 7 = 420/84 - Subtract the two like fractions:
64/84 - 420/84 = 64 - 420/84 = -356/84 - After reducing the fraction, the answer is -89/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21-60/12 16/42-60/12 16/21-60/24 48/21-60/12 16/63-60/12 16/21-60/36 80/21-60/12 16/21-60/84