Subtract 9/45 from 28/7, Solve 4 0/7

Subtract 9/45 from 28/7

1^st number: 4 0/7, 2^nd number: 9/45

28/7 - 9/45 is 19/5.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 7 × 45 = 315,
28/7 = 28 × 45/7 × 45 = 1260/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
9/45 = 9 × 7/45 × 7 = 63/315
Subtract the two like fractions:
1260/315 - 63/315 = 1260 - 63/315 = 1197/315
After reducing the fraction, the answer is 19/5
In mixed form: 34/5

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