Subtract 18/70 from 81/96, Solve 81/96

Subtract 18/70 from 81/96

81/96 - 18/70 is 657/1120.

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,
81/96 = 81 × 35/96 × 35 = 2835/3360
Likewise, for the 2nd fraction, since 70 × 48 = 3360,
18/70 = 18 × 48/70 × 48 = 864/3360
Subtract the two like fractions:
2835/3360 - 864/3360 = 2835 - 864/3360 = 1971/3360
After reducing the fraction, the answer is 657/1120

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