Subtract 1/10 from 12/45
12/45 - 1/10 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
1/10 = 1 × 9/10 × 9 = 9/90 - Subtract the two like fractions:
24/90 - 9/90 = 24 - 9/90 = 15/90 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45-1/10 12/45-2/10 12/90-1/10 12/45-1/20 36/45-1/10 12/45-3/10 12/45-1/30 60/45-1/10 12/45-5/10 12/45-1/50 84/45-1/10 12/45-7/10 12/45-1/70