Subtract 15/60 from 6/7
6/7 - 15/60 is 17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
6/7 = 6 × 60/7 × 60 = 360/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420 - Subtract the two like fractions:
360/420 - 105/420 = 360 - 105/420 = 255/420 - After reducing the fraction, the answer is 17/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-15/60 6/7-30/60 6/14-15/60 18/7-15/60 6/7-45/60 6/21-15/60 30/7-15/60 6/7-75/60 6/35-15/60 42/7-15/60 6/49-15/60