Subtract 3/28 from 90/18, Solve 5 0/18

Subtract 3/28 from 90/18

1^st number: 5 0/18, 2^nd number: 3/28

90/18 - 3/28 is 137/28.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 18 × 14 = 252,
90/18 = 90 × 14/18 × 14 = 1260/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
3/28 = 3 × 9/28 × 9 = 27/252
Subtract the two like fractions:
1260/252 - 27/252 = 1260 - 27/252 = 1233/252
After reducing the fraction, the answer is 137/28
In mixed form: 425/28

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