Subtract 54/96 from 28/70
28/70 - 54/96 is -13/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 96 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 70 × 48 = 3360,
28/70 = 28 × 48/70 × 48 = 1344/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
54/96 = 54 × 35/96 × 35 = 1890/3360 - Subtract the two like fractions:
1344/3360 - 1890/3360 = 1344 - 1890/3360 = -546/3360 - After reducing the fraction, the answer is -13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-54/96 84/70-54/96