Subtract 21/70 from 42/96
42/96 - 21/70 is 11/80.
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,
21/70 = 21 × 48/70 × 48 = 1008/3360 - Subtract the two like fractions:
1470/3360 - 1008/3360 = 1470 - 1008/3360 = 462/3360 - After reducing the fraction, the answer is 11/80
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