Subtract 21/96 from 7/70
7/70 - 21/96 is -19/160.
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,
7/70 = 7 × 48/70 × 48 = 336/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
21/96 = 21 × 35/96 × 35 = 735/3360 - Subtract the two like fractions:
336/3360 - 735/3360 = 336 - 735/3360 = -399/3360 - After reducing the fraction, the answer is -19/160
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