Subtract 27/12 from 75/10
1st number: 7 5/10, 2nd number: 2 3/12
75/10 - 27/12 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
75/10 = 75 × 6/10 × 6 = 450/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Subtract the two like fractions:
450/60 - 135/60 = 450 - 135/60 = 315/60 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-54/12 75/20-27/12 75/10-27/24 75/10-81/12 75/30-27/12 75/10-27/36 75/50-27/12 75/10-27/60 75/70-27/12 75/10-27/84