Subtract 2/60 from 18/70
18/70 - 2/60 is 47/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
2/60 = 2 × 7/60 × 7 = 14/420 - Subtract the two like fractions:
108/420 - 14/420 = 108 - 14/420 = 94/420 - After reducing the fraction, the answer is 47/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70-2/60 18/70-4/60 54/70-2/60 18/70-6/60 90/70-2/60 18/70-10/60 18/70-14/60