Subtract 14/24 from 20/70, Solve 20/70

Subtract 14/24 from 20/70

20/70 - 14/24 is -25/84.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 70 × 12 = 840,
20/70 = 20 × 12/70 × 12 = 240/840
Likewise, for the 2nd fraction, since 24 × 35 = 840,
14/24 = 14 × 35/24 × 35 = 490/840
Subtract the two like fractions:
240/840 - 490/840 = 240 - 490/840 = -250/840
After reducing the fraction, the answer is -25/84

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