Subtract 21/45 from 28/2, Solve 14 0/2

Subtract 21/45 from 28/2

1^st number: 14 0/2, 2^nd number: 21/45

28/2 - 21/45 is 203/15.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 2 × 45 = 90,
28/2 = 28 × 45/2 × 45 = 1260/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90
Subtract the two like fractions:
1260/90 - 42/90 = 1260 - 42/90 = 1218/90
After reducing the fraction, the answer is 203/15
In mixed form: 138/15

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