Subtract 25/12 from 10/45, Solve 10/45

Subtract 25/12 from 10/45

1^st number: 10/45, 2^nd number: 2 1/12

10/45 - 25/12 is -67/36.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
25/12 = 25 × 15/12 × 15 = 375/180
Subtract the two like fractions:
40/180 - 375/180 = 40 - 375/180 = -335/180
After reducing the fraction, the answer is -67/36

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