Subtract 25/20 from 2/72
1st number: 2/72, 2nd number: 1 5/20
2/72 - 25/20 is -11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
25/20 = 25 × 18/20 × 18 = 450/360 - Subtract the two like fractions:
10/360 - 450/360 = 10 - 450/360 = -440/360 - After reducing the fraction, the answer is -11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-25/20 2/72-50/20 2/72-25/40 6/72-25/20 2/72-75/20 2/72-25/60 10/72-25/20 14/72-25/20