Subtract 20/75 from 2/28, Solve 2/28

Subtract 20/75 from 2/28

2/28 - 20/75 is -41/210.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 28 × 75 = 2100,
2/28 = 2 × 75/28 × 75 = 150/2100
Likewise, for the 2nd fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100
Subtract the two like fractions:
150/2100 - 560/2100 = 150 - 560/2100 = -410/2100
After reducing the fraction, the answer is -41/210

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