Subtract 27/49 from 21/60
21/60 - 27/49 is -197/980.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
21/60 = 21 × 49/60 × 49 = 1029/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
27/49 = 27 × 60/49 × 60 = 1620/2940 - Subtract the two like fractions:
1029/2940 - 1620/2940 = 1029 - 1620/2940 = -591/2940 - After reducing the fraction, the answer is -197/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-27/49 21/60-54/49 21/60-27/98 63/60-27/49 21/60-81/49