Subtract 25/18 from 2/72
1st number: 2/72, 2nd number: 1 7/18
2/72 - 25/18 is -49/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Subtract the two like fractions:
2/72 - 100/72 = 2 - 100/72 = -98/72 - After reducing the fraction, the answer is -49/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-25/18 2/72-50/18 2/72-25/36 6/72-25/18 2/72-75/18 2/72-25/54 10/72-25/18 2/72-25/90 14/72-25/18