Subtract 40/70 from 42/96
42/96 - 40/70 is -15/112.
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,
42/96 = 42 × 35/96 × 35 = 1470/3360 - Likewise, for the 2nd fraction, since 70 × 48 = 3360,
40/70 = 40 × 48/70 × 48 = 1920/3360 - Subtract the two like fractions:
1470/3360 - 1920/3360 = 1470 - 1920/3360 = -450/3360 - After reducing the fraction, the answer is -15/112
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