Subtract 12/72 from 1/10
1/10 - 12/72 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
1/10 = 1 × 36/10 × 36 = 36/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Subtract the two like fractions:
36/360 - 60/360 = 36 - 60/360 = -24/360 - After reducing the fraction, the answer is -1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-12/72 1/10-24/72 1/20-12/72 3/10-12/72 1/10-36/72 1/30-12/72 5/10-12/72 1/10-60/72 1/50-12/72 7/10-12/72 1/10-84/72 1/70-12/72