Subtract 12/10 from 40/27
1st number: 1 13/27, 2nd number: 1 2/10
40/27 - 12/10 is 38/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
40/27 = 40 × 10/27 × 10 = 400/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Subtract the two like fractions:
400/270 - 324/270 = 400 - 324/270 = 76/270 - After reducing the fraction, the answer is 38/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27-12/10 40/27-24/10 40/54-12/10 40/27-12/20 40/27-36/10 40/81-12/10 40/27-12/30 40/27-60/10 40/27-12/50 40/27-84/10 40/27-12/70