Subtract 3/28 from 2/80, Solve 2/80

Subtract 3/28 from 2/80

2/80 - 3/28 is -23/280.

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

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
2/80 = 2 × 7/80 × 7 = 14/560
Likewise, for the 2nd fraction, since 28 × 20 = 560,
3/28 = 3 × 20/28 × 20 = 60/560
Subtract the two like fractions:
14/560 - 60/560 = 14 - 60/560 = -46/560
After reducing the fraction, the answer is -23/280

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