Subtract 12/16 from 45/70
45/70 - 12/16 is -3/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
45/70 = 45 × 8/70 × 8 = 360/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
12/16 = 12 × 35/16 × 35 = 420/560 - Subtract the two like fractions:
360/560 - 420/560 = 360 - 420/560 = -60/560 - After reducing the fraction, the answer is -3/28
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