Subtract 10/45 from 27/72
27/72 - 10/45 is 11/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
10/45 = 10 × 8/45 × 8 = 80/360 - Subtract the two like fractions:
135/360 - 80/360 = 135 - 80/360 = 55/360 - After reducing the fraction, the answer is 11/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72-10/45 27/72-20/45 27/72-10/90 81/72-10/45 27/72-30/45 27/72-50/45 27/72-70/45