Subtract 7/9 from 45/60, Solve 45/60

Subtract 7/9 from 45/60

45/60 - 7/9 is -1/36.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180
Likewise, for the 2nd fraction, since 9 × 20 = 180,
7/9 = 7 × 20/9 × 20 = 140/180
Subtract the two like fractions:
135/180 - 140/180 = 135 - 140/180 = -5/180
After reducing the fraction, the answer is -1/36

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