Subtract 35/27 from 45/80, Solve 45/80

Subtract 35/27 from 45/80

1^st number: 45/80, 2^nd number: 1 8/27

45/80 - 35/27 is -317/432.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
45/80 = 45 × 27/80 × 27 = 1215/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
35/27 = 35 × 80/27 × 80 = 2800/2160
Subtract the two like fractions:
1215/2160 - 2800/2160 = 1215 - 2800/2160 = -1585/2160
After reducing the fraction, the answer is -317/432

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