Subtract 72/70 from 27/96
1st number: 27/96, 2nd number: 1 2/70
27/96 - 72/70 is -837/1120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 70 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 96 × 35 = 3360,
27/96 = 27 × 35/96 × 35 = 945/3360 - Likewise, for the 2nd fraction, since 70 × 48 = 3360,
72/70 = 72 × 48/70 × 48 = 3456/3360 - Subtract the two like fractions:
945/3360 - 3456/3360 = 945 - 3456/3360 = -2511/3360 - After reducing the fraction, the answer is -837/1120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/96-72/70 81/96-72/70