Subtract 27/72 from 8/5
1st number: 1 3/5, 2nd number: 27/72
8/5 - 27/72 is 49/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
8/5 = 8 × 72/5 × 72 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Subtract the two like fractions:
576/360 - 135/360 = 576 - 135/360 = 441/360 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5-27/72 8/5-54/72 8/10-27/72 24/5-27/72 8/5-81/72 8/15-27/72 40/5-27/72 8/25-27/72 56/5-27/72 8/35-27/72