Subtract 4/45 from 28/4, Solve 7 0/4

Subtract 4/45 from 28/4

1^st number: 7 0/4, 2^nd number: 4/45

28/4 - 4/45 is 311/45.

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,
28/4 = 28 × 45/4 × 45 = 1260/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
4/45 = 4 × 4/45 × 4 = 16/180
Subtract the two like fractions:
1260/180 - 16/180 = 1260 - 16/180 = 1244/180
After reducing the fraction, the answer is 311/45
In mixed form: 641/45

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