Subtract 45/70 from 24/48
24/48 - 45/70 is -1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
24/48 = 24 × 35/48 × 35 = 840/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
45/70 = 45 × 24/70 × 24 = 1080/1680 - Subtract the two like fractions:
840/1680 - 1080/1680 = 840 - 1080/1680 = -240/1680 - After reducing the fraction, the answer is -1/7
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