Subtract 4/60 from 10/9, Solve 1 1/9

Subtract 4/60 from 10/9

1^st number: 1 1/9, 2^nd number: 4/60

10/9 - 4/60 is 47/45.

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

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 9 × 20 = 180,
10/9 = 10 × 20/9 × 20 = 200/180
Likewise, for the 2nd fraction, since 60 × 3 = 180,
4/60 = 4 × 3/60 × 3 = 12/180
Subtract the two like fractions:
200/180 - 12/180 = 200 - 12/180 = 188/180
After reducing the fraction, the answer is 47/45
In mixed form: 12/45

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