Subtract 25/10 from 7/27
1st number: 7/27, 2nd number: 2 5/10
7/27 - 25/10 is -121/54.
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,
7/27 = 7 × 10/27 × 10 = 70/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
25/10 = 25 × 27/10 × 27 = 675/270 - Subtract the two like fractions:
70/270 - 675/270 = 70 - 675/270 = -605/270 - After reducing the fraction, the answer is -121/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-25/10 7/27-50/10 7/54-25/10 7/27-25/20 21/27-25/10 7/27-75/10 7/81-25/10 7/27-25/30 35/27-25/10 7/27-25/50 49/27-25/10 7/27-25/70