Subtract 10/45 from 5/4, Solve 1 1/4

Subtract 10/45 from 5/4

1^st number: 1 1/4, 2^nd number: 10/45

5/4 - 10/45 is 37/36.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 4 × 45 = 180,
5/4 = 5 × 45/4 × 45 = 225/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180
Subtract the two like fractions:
225/180 - 40/180 = 225 - 40/180 = 185/180
After reducing the fraction, the answer is 37/36
In mixed form: 11/36

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