Subtract 2/60 from 12/90
12/90 - 2/60 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
2/60 = 2 × 3/60 × 3 = 6/180 - Subtract the two like fractions:
24/180 - 6/180 = 24 - 6/180 = 18/180 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90-2/60 12/90-4/60 36/90-2/60 12/90-6/60 60/90-2/60 12/90-10/60 84/90-2/60 12/90-14/60