Subtract 27/72 from 40/10
1st number: 4 0/10, 2nd number: 27/72
40/10 - 27/72 is 29/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
40/10 = 40 × 36/10 × 36 = 1440/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Subtract the two like fractions:
1440/360 - 135/360 = 1440 - 135/360 = 1305/360 - After reducing the fraction, the answer is 29/8
- In mixed form: 35/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-27/72 40/10-54/72 40/20-27/72 40/10-81/72 40/30-27/72 40/50-27/72 40/70-27/72