Subtract 35/80 from 8/28, Solve 8/28

Subtract 35/80 from 8/28

8/28 - 35/80 is -17/112.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 28 × 20 = 560,
8/28 = 8 × 20/28 × 20 = 160/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
35/80 = 35 × 7/80 × 7 = 245/560
Subtract the two like fractions:
160/560 - 245/560 = 160 - 245/560 = -85/560
After reducing the fraction, the answer is -17/112

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