Subtract 60/30 from 6/81
1st number: 6/81, 2nd number: 2 0/30
6/81 - 60/30 is -52/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
6/81 = 6 × 10/81 × 10 = 60/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
60/30 = 60 × 27/30 × 27 = 1620/810 - Subtract the two like fractions:
60/810 - 1620/810 = 60 - 1620/810 = -1560/810 - After reducing the fraction, the answer is -52/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/81-60/30 18/81-60/30 6/81-60/90 30/81-60/30 42/81-60/30