Subtract 28/96 from 20/70
20/70 - 28/96 is -1/168.
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,
20/70 = 20 × 48/70 × 48 = 960/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
28/96 = 28 × 35/96 × 35 = 980/3360 - Subtract the two like fractions:
960/3360 - 980/3360 = 960 - 980/3360 = -20/3360 - After reducing the fraction, the answer is -1/168
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