Subtract 60/6 from 60/21
1st number: 2 18/21, 2nd number: 10 0/6
60/21 - 60/6 is -50/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
60/21 = 60 × 2/21 × 2 = 120/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
60/6 = 60 × 7/6 × 7 = 420/42 - Subtract the two like fractions:
120/42 - 420/42 = 120 - 420/42 = -300/42 - After reducing the fraction, the answer is -50/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-60/6 60/21-60/12 60/63-60/6 60/21-60/18 60/21-60/30 60/21-60/42