Subtract 18/24 from 20/35, Solve 20/35

Subtract 18/24 from 20/35

20/35 - 18/24 is -5/28.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 24 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 35 × 24 = 840,
20/35 = 20 × 24/35 × 24 = 480/840
Likewise, for the 2nd fraction, since 24 × 35 = 840,
18/24 = 18 × 35/24 × 35 = 630/840
Subtract the two like fractions:
480/840 - 630/840 = 480 - 630/840 = -150/840
After reducing the fraction, the answer is -5/28

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