Subtract 12/32 from 7/45, Solve 7/45

Subtract 12/32 from 7/45

7/45 - 12/32 is -79/360.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440

Next, find the equivalent fraction of both fractional numbers with denominator 1440
For the 1st fraction, since 45 × 32 = 1440,
7/45 = 7 × 32/45 × 32 = 224/1440
Likewise, for the 2nd fraction, since 32 × 45 = 1440,
12/32 = 12 × 45/32 × 45 = 540/1440
Subtract the two like fractions:
224/1440 - 540/1440 = 224 - 540/1440 = -316/1440
After reducing the fraction, the answer is -79/360

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