Subtract 2/7 from 18/60
18/60 - 2/7 is 1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
2/7 = 2 × 60/7 × 60 = 120/420 - Subtract the two like fractions:
126/420 - 120/420 = 126 - 120/420 = 6/420 - After reducing the fraction, the answer is 1/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60-2/7 18/60-4/7 18/60-2/14 54/60-2/7 18/60-6/7 18/60-2/21 90/60-2/7 18/60-10/7 18/60-2/35 18/60-14/7 18/60-2/49