Subtract 20/45 from 75/14, Solve 5 5/14

Subtract 20/45 from 75/14

1^st number: 5 5/14, 2^nd number: 20/45

75/14 - 20/45 is 619/126.

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,
75/14 = 75 × 45/14 × 45 = 3375/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
20/45 = 20 × 14/45 × 14 = 280/630
Subtract the two like fractions:
3375/630 - 280/630 = 3375 - 280/630 = 3095/630
After reducing the fraction, the answer is 619/126
In mixed form: 4115/126

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