Subtract 2/60 from 27/28
27/28 - 2/60 is 391/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
27/28 = 27 × 15/28 × 15 = 405/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
2/60 = 2 × 7/60 × 7 = 14/420 - Subtract the two like fractions:
405/420 - 14/420 = 405 - 14/420 = 391/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-2/60 27/28-4/60 27/56-2/60 81/28-2/60 27/28-6/60 27/84-2/60 27/28-10/60 27/28-14/60