Subtract 45/96 from 28/70, Solve 28/70

Subtract 45/96 from 28/70

28/70 - 45/96 is -11/160.

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,
45/96 = 45 × 35/96 × 35 = 1575/3360
Subtract the two like fractions:
1344/3360 - 1575/3360 = 1344 - 1575/3360 = -231/3360
After reducing the fraction, the answer is -11/160

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