Subtract 3/70 from 1/60
1/60 - 3/70 is -11/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
1/60 = 1 × 7/60 × 7 = 7/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
3/70 = 3 × 6/70 × 6 = 18/420 - Subtract the two like fractions:
7/420 - 18/420 = 7 - 18/420 = -11/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/60-3/70 1/60-6/70 3/60-3/70 1/60-9/70 5/60-3/70 1/60-15/70 7/60-3/70 1/60-21/70