Subtract 75/45 from 72/14, Solve 5 2/14

Subtract 75/45 from 72/14

1^st number: 5 2/14, 2^nd number: 1 30/45

72/14 - 75/45 is 73/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630
Subtract the two like fractions:
3240/630 - 1050/630 = 3240 - 1050/630 = 2190/630
After reducing the fraction, the answer is 73/21
In mixed form: 310/21

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